diff --git a/src/registrar/models/domain_information.py b/src/registrar/models/domain_information.py
index f757c7d61..11d979a90 100644
--- a/src/registrar/models/domain_information.py
+++ b/src/registrar/models/domain_information.py
@@ -17,9 +17,9 @@ class DomainInformation(TimeStampedModel):
     """A registrant's domain information for that domain, exported from
     DomainRequest. We use these field from DomainRequest with few exceptions
     which are 'removed' via pop at the bottom of this file. Most of design for domain
-    management's user information are based on application, but we cannot change
+    management's user information are based on domain_request, but we cannot change
     the domain request once approved, so copying them that way we can make changes
-    after its approved. Most fields here are copied from Application."""
+    after its approved. Most fields here are copied from DomainRequest."""
 
     StateTerritoryChoices = DomainRequest.StateTerritoryChoices
 
@@ -232,7 +232,7 @@ class DomainInformation(TimeStampedModel):
             raise ValueError("The provided DomainRequest has no id")
 
         # check if we have a record that corresponds with the domain
-        # application, if so short circuit the create
+        # domain_request, if so short circuit the create
         existing_domain_info = cls.objects.filter(domain_request__id=domain_request.id).first()
         if existing_domain_info:
             return existing_domain_info
diff --git a/src/registrar/templates/django/admin/domain_change_form.html b/src/registrar/templates/django/admin/domain_change_form.html
index 67c5ac291..65cbd1db0 100644
--- a/src/registrar/templates/django/admin/domain_change_form.html
+++ b/src/registrar/templates/django/admin/domain_change_form.html
@@ -50,7 +50,7 @@
     This is controlled by the class `dja-form-placeholder` on the button.
 
     In addition, the modal element MUST be placed low in the DOM. The script loads slower on DJA than on other portions
-    of the application, so this means that it will briefly "populate", causing unintended visual effects.
+    of the domain_request, so this means that it will briefly "populate", causing unintended visual effects.
     {% endcomment %}
     <div
     class="usa-modal"
diff --git a/src/registrar/tests/common.py b/src/registrar/tests/common.py
index 3e5d7136d..4c02aa926 100644
--- a/src/registrar/tests/common.py
+++ b/src/registrar/tests/common.py
@@ -580,7 +580,7 @@ def completed_domain_request(
     if has_anything_else:
         domain_request_kwargs["anything_else"] = "There is more"
 
-    application, _ = DomainRequest.objects.get_or_create(**domain_request_kwargs)
+    domain_request, _ = DomainRequest.objects.get_or_create(**domain_request_kwargs)
 
     if has_other_contacts:
         domain_request.other_contacts.add(other)
diff --git a/src/registrar/tests/test_admin.py b/src/registrar/tests/test_admin.py
index 7fb72e8ec..b310cff5e 100644
--- a/src/registrar/tests/test_admin.py
+++ b/src/registrar/tests/test_admin.py
@@ -661,39 +661,39 @@ class TestDomainRequestAdmin(MockEppLib):
             domain_request = completed_domain_request()
 
             # Test Submitted Status from started
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.SUBMITTED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.SUBMITTED)
             self.assert_email_is_accurate("We received your .gov domain request.", 0, EMAIL, True)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
 
             # Test Withdrawn Status
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.WITHDRAWN)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.WITHDRAWN)
             self.assert_email_is_accurate(
                 "Your .gov domain request has been withdrawn and will not be reviewed by our team.", 1, EMAIL, True
             )
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
 
             # Test Submitted Status Again (from withdrawn)
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.SUBMITTED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.SUBMITTED)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
             # Move it to IN_REVIEW
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.IN_REVIEW)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.IN_REVIEW)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
             # Test Submitted Status Again from in IN_REVIEW, no new email should be sent
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.SUBMITTED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.SUBMITTED)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
             # Move it to IN_REVIEW
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.IN_REVIEW)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.IN_REVIEW)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
             # Move it to ACTION_NEEDED
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.ACTION_NEEDED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.ACTION_NEEDED)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
             # Test Submitted Status Again from in ACTION_NEEDED, no new email should be sent
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.SUBMITTED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.SUBMITTED)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
     @override_settings(IS_PRODUCTION=True)
@@ -718,40 +718,40 @@ class TestDomainRequestAdmin(MockEppLib):
             domain_request = completed_domain_request()
 
             # Test Submitted Status from started
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.SUBMITTED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.SUBMITTED)
             self.assert_email_is_accurate("We received your .gov domain request.", 0, EMAIL, False, BCC_EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
 
             # Test Withdrawn Status
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.WITHDRAWN)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.WITHDRAWN)
             self.assert_email_is_accurate(
                 "Your .gov domain request has been withdrawn and will not be reviewed by our team.", 1, EMAIL
             )
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
 
             # Test Submitted Status Again (from withdrawn)
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.SUBMITTED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.SUBMITTED)
             self.assert_email_is_accurate("We received your .gov domain request.", 0, EMAIL, False, BCC_EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
             # Move it to IN_REVIEW
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.IN_REVIEW)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.IN_REVIEW)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
             # Test Submitted Status Again from in IN_REVIEW, no new email should be sent
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.SUBMITTED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.SUBMITTED)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
             # Move it to IN_REVIEW
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.IN_REVIEW)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.IN_REVIEW)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
             # Move it to ACTION_NEEDED
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.ACTION_NEEDED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.ACTION_NEEDED)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
             # Test Submitted Status Again from in ACTION_NEEDED, no new email should be sent
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.SUBMITTED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.SUBMITTED)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
     def test_save_model_sends_approved_email(self):
@@ -767,7 +767,7 @@ class TestDomainRequestAdmin(MockEppLib):
             domain_request = completed_domain_request(status=DomainRequest.DomainRequestStatus.IN_REVIEW)
 
             # Test Submitted Status
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.APPROVED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.APPROVED)
             self.assert_email_is_accurate("Congratulations! Your .gov domain request has been approved.", 0, EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
 
@@ -781,7 +781,7 @@ class TestDomainRequestAdmin(MockEppLib):
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
 
             # Test Submitted Status Again (No new email should be sent)
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.APPROVED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.APPROVED)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
     def test_save_model_sends_rejected_email_purpose_not_met(self):
@@ -810,7 +810,7 @@ class TestDomainRequestAdmin(MockEppLib):
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
 
             # Approve
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.APPROVED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.APPROVED)
             self.assert_email_is_accurate("Congratulations! Your .gov domain request has been approved.", 1, EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
 
@@ -828,7 +828,7 @@ class TestDomainRequestAdmin(MockEppLib):
 
             # Reject for reason REQUESTOR and test email including dynamic organization name
             self.transition_state_and_send_email(
-                application, DomainRequest.DomainRequestStatus.REJECTED, DomainRequest.RejectionReasons.REQUESTOR
+                domain_request, DomainRequest.DomainRequestStatus.REJECTED, DomainRequest.RejectionReasons.REQUESTOR
             )
             self.assert_email_is_accurate(
                 "Your domain request was rejected because we don’t believe you’re eligible to request a \n.gov "
@@ -839,7 +839,7 @@ class TestDomainRequestAdmin(MockEppLib):
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
 
             # Approve
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.APPROVED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.APPROVED)
             self.assert_email_is_accurate("Congratulations! Your .gov domain request has been approved.", 1, EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
 
@@ -867,7 +867,7 @@ class TestDomainRequestAdmin(MockEppLib):
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
 
             # Approve
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.APPROVED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.APPROVED)
             self.assert_email_is_accurate("Congratulations! Your .gov domain request has been approved.", 1, EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
 
@@ -898,7 +898,7 @@ class TestDomainRequestAdmin(MockEppLib):
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
 
             # Approve
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.APPROVED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.APPROVED)
             self.assert_email_is_accurate("Congratulations! Your .gov domain request has been approved.", 1, EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
 
@@ -929,7 +929,7 @@ class TestDomainRequestAdmin(MockEppLib):
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
 
             # Approve
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.APPROVED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.APPROVED)
             self.assert_email_is_accurate("Congratulations! Your .gov domain request has been approved.", 1, EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
 
@@ -957,7 +957,7 @@ class TestDomainRequestAdmin(MockEppLib):
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
 
             # Approve
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.APPROVED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.APPROVED)
             self.assert_email_is_accurate("Congratulations! Your .gov domain request has been approved.", 1, EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
 
@@ -983,7 +983,7 @@ class TestDomainRequestAdmin(MockEppLib):
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
 
             # Approve
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.APPROVED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.APPROVED)
             self.assert_email_is_accurate("Congratulations! Your .gov domain request has been approved.", 1, EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
 
@@ -1054,19 +1054,19 @@ class TestDomainRequestAdmin(MockEppLib):
             domain_request = completed_domain_request(status=DomainRequest.DomainRequestStatus.IN_REVIEW)
 
             # Test Submitted Status
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.WITHDRAWN)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.WITHDRAWN)
             self.assert_email_is_accurate(
                 "Your .gov domain request has been withdrawn and will not be reviewed by our team.", 0, EMAIL
             )
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
 
             # Test Withdrawn Status
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.SUBMITTED)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.SUBMITTED)
             self.assert_email_is_accurate("We received your .gov domain request.", 1, EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
 
             # Test Submitted Status Again (No new email should be sent)
-            self.transition_state_and_send_email(application, DomainRequest.DomainRequestStatus.WITHDRAWN)
+            self.transition_state_and_send_email(domain_request, DomainRequest.DomainRequestStatus.WITHDRAWN)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
     def test_save_model_sets_approved_domain(self):
diff --git a/src/registrar/tests/test_models.py b/src/registrar/tests/test_models.py
index 5b151768f..baa5ef3b5 100644
--- a/src/registrar/tests/test_models.py
+++ b/src/registrar/tests/test_models.py
@@ -168,7 +168,7 @@ class TestDomainRequest(TestCase):
             with boto3_mocking.clients.handler_for("sesv2", self.mock_client):
                 with less_console_noise():
                     # Perform the specified action
-                    action_method = getattr(application, action)
+                    action_method = getattr(domain_request, action)
                     action_method()
 
             # Check if an email was sent
@@ -182,42 +182,42 @@ class TestDomainRequest(TestCase):
     def test_submit_from_started_sends_email(self):
         msg = "Create a domain request and submit it and see if email was sent."
         domain_request = completed_domain_request()
-        self.check_email_sent(application, msg, "submit", 1)
+        self.check_email_sent(domain_request, msg, "submit", 1)
 
     def test_submit_from_withdrawn_sends_email(self):
         msg = "Create a withdrawn application and submit it and see if email was sent."
         domain_request = completed_domain_request(status=DomainRequest.DomainRequestStatus.WITHDRAWN)
-        self.check_email_sent(application, msg, "submit", 1)
+        self.check_email_sent(domain_request, msg, "submit", 1)
 
     def test_submit_from_action_needed_does_not_send_email(self):
         msg = "Create a domain request with ACTION_NEEDED status and submit it, check if email was not sent."
         domain_request = completed_domain_request(status=DomainRequest.DomainRequestStatus.ACTION_NEEDED)
-        self.check_email_sent(application, msg, "submit", 0)
+        self.check_email_sent(domain_request, msg, "submit", 0)
 
     def test_submit_from_in_review_does_not_send_email(self):
         msg = "Create a withdrawn application and submit it and see if email was sent."
         domain_request = completed_domain_request(status=DomainRequest.DomainRequestStatus.IN_REVIEW)
-        self.check_email_sent(application, msg, "submit", 0)
+        self.check_email_sent(domain_request, msg, "submit", 0)
 
     def test_approve_sends_email(self):
         msg = "Create a domain request and approve it and see if email was sent."
         domain_request = completed_domain_request(status=DomainRequest.DomainRequestStatus.IN_REVIEW)
-        self.check_email_sent(application, msg, "approve", 1)
+        self.check_email_sent(domain_request, msg, "approve", 1)
 
     def test_withdraw_sends_email(self):
         msg = "Create a domain request and withdraw it and see if email was sent."
         domain_request = completed_domain_request(status=DomainRequest.DomainRequestStatus.IN_REVIEW)
-        self.check_email_sent(application, msg, "withdraw", 1)
+        self.check_email_sent(domain_request, msg, "withdraw", 1)
 
     def test_reject_sends_email(self):
         msg = "Create a domain request and reject it and see if email was sent."
         domain_request = completed_domain_request(status=DomainRequest.DomainRequestStatus.APPROVED)
-        self.check_email_sent(application, msg, "reject", 1)
+        self.check_email_sent(domain_request, msg, "reject", 1)
 
     def test_reject_with_prejudice_does_not_send_email(self):
         msg = "Create a domain request and reject it with prejudice and see if email was sent."
         domain_request = completed_domain_request(status=DomainRequest.DomainRequestStatus.APPROVED)
-        self.check_email_sent(application, msg, "reject_with_prejudice", 0)
+        self.check_email_sent(domain_request, msg, "reject_with_prejudice", 0)
 
     def test_submit_transition_allowed(self):
         """
@@ -232,8 +232,8 @@ class TestDomainRequest(TestCase):
 
         with boto3_mocking.clients.handler_for("sesv2", self.mock_client):
             with less_console_noise():
-                for application, exception_type in test_cases:
-                    with self.subTest(application=application, exception_type=exception_type):
+                for domain_request, exception_type in test_cases:
+                    with self.subTest(domain_request=domain_request, exception_type=exception_type):
                         try:
                             domain_request.submit()
                         except TransitionNotAllowed:
@@ -252,8 +252,8 @@ class TestDomainRequest(TestCase):
 
         with boto3_mocking.clients.handler_for("sesv2", self.mock_client):
             with less_console_noise():
-                for application, exception_type in test_cases:
-                    with self.subTest(application=application, exception_type=exception_type):
+                for domain_request, exception_type in test_cases:
+                    with self.subTest(domain_request=domain_request, exception_type=exception_type):
                         with self.assertRaises(exception_type):
                             domain_request.submit()
 
@@ -271,8 +271,8 @@ class TestDomainRequest(TestCase):
 
         with boto3_mocking.clients.handler_for("sesv2", self.mock_client):
             with less_console_noise():
-                for application, exception_type in test_cases:
-                    with self.subTest(application=application, exception_type=exception_type):
+                for domain_request, exception_type in test_cases:
+                    with self.subTest(domain_request=domain_request, exception_type=exception_type):
                         try:
                             domain_request.in_review()
                         except TransitionNotAllowed:
@@ -290,8 +290,8 @@ class TestDomainRequest(TestCase):
 
         with boto3_mocking.clients.handler_for("sesv2", self.mock_client):
             with less_console_noise():
-                for application, exception_type in test_cases:
-                    with self.subTest(application=application, exception_type=exception_type):
+                for domain_request, exception_type in test_cases:
+                    with self.subTest(domain_request=domain_request, exception_type=exception_type):
                         with self.assertRaises(exception_type):
                             domain_request.in_review()
 
@@ -306,8 +306,8 @@ class TestDomainRequest(TestCase):
             (self.ineligible_domain_request, TransitionNotAllowed),
         ]
         with less_console_noise():
-            for application, exception_type in test_cases:
-                with self.subTest(application=application, exception_type=exception_type):
+            for domain_request, exception_type in test_cases:
+                with self.subTest(domain_request=domain_request, exception_type=exception_type):
                     try:
                         domain_request.action_needed()
                     except TransitionNotAllowed:
@@ -324,8 +324,8 @@ class TestDomainRequest(TestCase):
             (self.withdrawn_domain_request, TransitionNotAllowed),
         ]
         with less_console_noise():
-            for application, exception_type in test_cases:
-                with self.subTest(application=application, exception_type=exception_type):
+            for domain_request, exception_type in test_cases:
+                with self.subTest(domain_request=domain_request, exception_type=exception_type):
                     with self.assertRaises(exception_type):
                         domain_request.action_needed()
 
@@ -342,8 +342,8 @@ class TestDomainRequest(TestCase):
 
         with boto3_mocking.clients.handler_for("sesv2", self.mock_client):
             with less_console_noise():
-                for application, exception_type in test_cases:
-                    with self.subTest(application=application, exception_type=exception_type):
+                for domain_request, exception_type in test_cases:
+                    with self.subTest(domain_request=domain_request, exception_type=exception_type):
                         try:
                             domain_request.approve()
                         except TransitionNotAllowed:
@@ -375,8 +375,8 @@ class TestDomainRequest(TestCase):
 
         with boto3_mocking.clients.handler_for("sesv2", self.mock_client):
             with less_console_noise():
-                for application, exception_type in test_cases:
-                    with self.subTest(application=application, exception_type=exception_type):
+                for domain_request, exception_type in test_cases:
+                    with self.subTest(domain_request=domain_request, exception_type=exception_type):
                         with self.assertRaises(exception_type):
                             domain_request.approve()
 
@@ -392,8 +392,8 @@ class TestDomainRequest(TestCase):
 
         with boto3_mocking.clients.handler_for("sesv2", self.mock_client):
             with less_console_noise():
-                for application, exception_type in test_cases:
-                    with self.subTest(application=application, exception_type=exception_type):
+                for domain_request, exception_type in test_cases:
+                    with self.subTest(domain_request=domain_request, exception_type=exception_type):
                         try:
                             domain_request.withdraw()
                         except TransitionNotAllowed:
@@ -413,8 +413,8 @@ class TestDomainRequest(TestCase):
 
         with boto3_mocking.clients.handler_for("sesv2", self.mock_client):
             with less_console_noise():
-                for application, exception_type in test_cases:
-                    with self.subTest(application=application, exception_type=exception_type):
+                for domain_request, exception_type in test_cases:
+                    with self.subTest(domain_request=domain_request, exception_type=exception_type):
                         with self.assertRaises(exception_type):
                             domain_request.withdraw()
 
@@ -430,8 +430,8 @@ class TestDomainRequest(TestCase):
 
         with boto3_mocking.clients.handler_for("sesv2", self.mock_client):
             with less_console_noise():
-                for application, exception_type in test_cases:
-                    with self.subTest(application=application, exception_type=exception_type):
+                for domain_request, exception_type in test_cases:
+                    with self.subTest(domain_request=domain_request, exception_type=exception_type):
                         try:
                             domain_request.reject()
                         except TransitionNotAllowed:
@@ -451,8 +451,8 @@ class TestDomainRequest(TestCase):
 
         with boto3_mocking.clients.handler_for("sesv2", self.mock_client):
             with less_console_noise():
-                for application, exception_type in test_cases:
-                    with self.subTest(application=application, exception_type=exception_type):
+                for domain_request, exception_type in test_cases:
+                    with self.subTest(domain_request=domain_request, exception_type=exception_type):
                         with self.assertRaises(exception_type):
                             domain_request.reject()
 
@@ -469,8 +469,8 @@ class TestDomainRequest(TestCase):
 
         with boto3_mocking.clients.handler_for("sesv2", self.mock_client):
             with less_console_noise():
-                for application, exception_type in test_cases:
-                    with self.subTest(application=application, exception_type=exception_type):
+                for domain_request, exception_type in test_cases:
+                    with self.subTest(domain_request=domain_request, exception_type=exception_type):
                         try:
                             domain_request.reject_with_prejudice()
                         except TransitionNotAllowed:
@@ -489,8 +489,8 @@ class TestDomainRequest(TestCase):
 
         with boto3_mocking.clients.handler_for("sesv2", self.mock_client):
             with less_console_noise():
-                for application, exception_type in test_cases:
-                    with self.subTest(application=application, exception_type=exception_type):
+                for domain_request, exception_type in test_cases:
+                    with self.subTest(domain_request=domain_request, exception_type=exception_type):
                         with self.assertRaises(exception_type):
                             domain_request.reject_with_prejudice()
 
diff --git a/src/registrar/tests/test_views_application.py b/src/registrar/tests/test_views_application.py
index d3a9413be..ca75a3774 100644
--- a/src/registrar/tests/test_views_application.py
+++ b/src/registrar/tests/test_views_application.py
@@ -463,7 +463,7 @@ class DomainRequestTests(TestWithUser, WebTest):
         # check that any new pages are added to this test
         self.assertEqual(num_pages, num_pages_tested)
 
-    # This is the start of a test to check an existing application, it currently
+    # This is the start of a test to check an existing domain_request, it currently
     # does not work and results in errors as noted in:
     # https://github.com/cisagov/getgov/pull/728
     @skip("WIP")
@@ -883,7 +883,7 @@ class DomainRequestTests(TestWithUser, WebTest):
             email="testy2@town.com",
             phone="(555) 555 5557",
         )
-        application, _ = DomainRequest.objects.get_or_create(
+        domain_request, _ = DomainRequest.objects.get_or_create(
             organization_type="federal",
             federal_type="executive",
             purpose="Purpose of the site",
@@ -1017,7 +1017,7 @@ class DomainRequestTests(TestWithUser, WebTest):
             email="testy3@town.com",
             phone="(201) 555 5557",
         )
-        application, _ = DomainRequest.objects.get_or_create(
+        domain_request, _ = DomainRequest.objects.get_or_create(
             organization_type="federal",
             federal_type="executive",
             purpose="Purpose of the site",
@@ -1091,7 +1091,7 @@ class DomainRequestTests(TestWithUser, WebTest):
             email="testy2@town.com",
             phone="(201) 555 5557",
         )
-        application, _ = DomainRequest.objects.get_or_create(
+        domain_request, _ = DomainRequest.objects.get_or_create(
             organization_type="federal",
             federal_type="executive",
             purpose="Purpose of the site",
@@ -1168,7 +1168,7 @@ class DomainRequestTests(TestWithUser, WebTest):
             email="testy2@town.com",
             phone="(201) 555 5557",
         )
-        application, _ = DomainRequest.objects.get_or_create(
+        domain_request, _ = DomainRequest.objects.get_or_create(
             organization_type="federal",
             federal_type="executive",
             purpose="Purpose of the site",
@@ -1244,7 +1244,7 @@ class DomainRequestTests(TestWithUser, WebTest):
             email="testy2@town.com",
             phone="(201) 555 5557",
         )
-        application, _ = DomainRequest.objects.get_or_create(
+        domain_request, _ = DomainRequest.objects.get_or_create(
             organization_type="federal",
             federal_type="executive",
             purpose="Purpose of the site",
@@ -1319,7 +1319,7 @@ class DomainRequestTests(TestWithUser, WebTest):
             email="testy-admin@town.com",
             phone="(201) 555 5556",
         )
-        application, _ = DomainRequest.objects.get_or_create(
+        domain_request, _ = DomainRequest.objects.get_or_create(
             organization_type="federal",
             federal_type="executive",
             purpose="Purpose of the site",
@@ -1391,7 +1391,7 @@ class DomainRequestTests(TestWithUser, WebTest):
             email="testy@town.com",
             phone="(201) 555 5555",
         )
-        application, _ = DomainRequest.objects.get_or_create(
+        domain_request, _ = DomainRequest.objects.get_or_create(
             organization_type="federal",
             federal_type="executive",
             purpose="Purpose of the site",
@@ -1457,7 +1457,7 @@ class DomainRequestTests(TestWithUser, WebTest):
             email="testy@town.com",
             phone="(201) 555 5555",
         )
-        application, _ = DomainRequest.objects.get_or_create(
+        domain_request, _ = DomainRequest.objects.get_or_create(
             organization_type="federal",
             federal_type="executive",
             purpose="Purpose of the site",
@@ -1528,7 +1528,7 @@ class DomainRequestTests(TestWithUser, WebTest):
             email="testy@town.com",
             phone="(201) 555 5555",
         )
-        application, _ = DomainRequest.objects.get_or_create(
+        domain_request, _ = DomainRequest.objects.get_or_create(
             organization_type="federal",
             federal_type="executive",
             purpose="Purpose of the site",
@@ -1593,7 +1593,7 @@ class DomainRequestTests(TestWithUser, WebTest):
             email="testy@town.com",
             phone="(201) 555 5555",
         )
-        application, _ = DomainRequest.objects.get_or_create(
+        domain_request, _ = DomainRequest.objects.get_or_create(
             organization_type="federal",
             federal_type="executive",
             purpose="Purpose of the site",
@@ -1935,7 +1935,7 @@ class DomainRequestTests(TestWithUser, WebTest):
             email="testy2@town.com",
             phone="(555) 555 5557",
         )
-        application, _ = DomainRequest.objects.get_or_create(
+        domain_request, _ = DomainRequest.objects.get_or_create(
             organization_type="federal",
             federal_type="executive",
             purpose="Purpose of the site",
diff --git a/src/registrar/views/domain_request.py b/src/registrar/views/domain_request.py
index 49869c99e..bdb125c0a 100644
--- a/src/registrar/views/domain_request.py
+++ b/src/registrar/views/domain_request.py
@@ -122,7 +122,7 @@ class DomainRequestWizard(DomainRequestWizardPermissionView, TemplateView):
         return "wizard_domain_request"
 
     @property
-    def application(self) -> DomainRequest:
+    def domain_request(self) -> DomainRequest:
         """
         Attempt to match the current wizard with a DomainRequest.
 
@@ -194,8 +194,8 @@ class DomainRequestWizard(DomainRequestWizardPermissionView, TemplateView):
         in the database before the wizard has been saved.
         """
         if self.has_pk():
-            if hasattr(self.application, attribute):
-                attr = getattr(self.application, attribute)
+            if hasattr(self.domain_request, attribute):
+                attr = getattr(self.domain_request, attribute)
                 if callable(attr):
                     return attr(*args, **kwargs)
                 else:
@@ -278,7 +278,7 @@ class DomainRequestWizard(DomainRequestWizardPermissionView, TemplateView):
         kwargs = {
             "files": files,
             "prefix": self.steps.current,
-            "domain_request": self.application,  # this is a property, not an object
+            "domain_request": self.domain_request,  # this is a property, not an object
         }
 
         if step is None:
@@ -290,7 +290,7 @@ class DomainRequestWizard(DomainRequestWizardPermissionView, TemplateView):
         instantiated = []
 
         for form in forms:
-            data = form.from_database(self.application) if self.has_pk() else None
+            data = form.from_database(self.domain_request) if self.has_pk() else None
             if use_post:
                 instantiated.append(form(self.request.POST, **kwargs))
             elif use_db:
@@ -466,7 +466,7 @@ class DomainRequestWizard(DomainRequestWizardPermissionView, TemplateView):
         """
         for form in forms:
             if form is not None and hasattr(form, "to_database"):
-                form.to_database(self.application)
+                form.to_database(self.domain_request)
 
 
 class OrganizationType(DomainRequestWizard):
@@ -597,7 +597,7 @@ class Review(DomainRequestWizard):
     def get_context_data(self):
         context = super().get_context_data()
         context["Step"] = Step.__members__
-        context["domain_request"] = self.application
+        context["domain_request"] = self.domain_request
         return context
 
     def goto_next_step(self):
@@ -702,7 +702,7 @@ class DomainRequestDeleteView(DomainRequestPermissionDeleteView):
         # This determines if any of these three fields share a contact, which is used for
         # the edge case where the same user may be an AO, and a submitter, for example.
         if len(duplicates) > 0:
-            duplicates_to_delete, _ = self._get_orphaned_contacts(application, check_db=True)
+            duplicates_to_delete, _ = self._get_orphaned_contacts(domain_request, check_db=True)
             Contact.objects.filter(id__in=duplicates_to_delete, user=None).delete()
 
         return response