Add base classes and fragment identifiers for vocabulary.

index.html

@@ -5963,6 +5963,104 @@ <h3>Vocabularies</h3>
 cryptographic hash.
         </p>
 
+        <p>
+The following base classes are defined in this specification for processors
+and other specifications that benefit from such definitions:
+        </p>
+
+        <table class="simple">
+          <thead>
+            <tr>
+              <th>Base Class</th>
+              <th>Purpose</th>
+            </tr>
+          </thead>
+          <tbody>
+            <tr id="bc-credential-evidence">
+              <td>
+`CredentialEvidence`
+              </td>
+              <td>
+Serves as a superclass for specific evidence types that are placed into the
+<a href="#evidence">evidence</a> property. <span class="issue atrisk">This
+superclass is at risk and will be removed if at least two independent
+implementations for the superclass are not identified by the end of the
+Candidate Recommendation phase.</span>
+              </td>
+            </tr>
+            <tr id="bc-credential-schema">
+              <td>
+`CredentialSchema`
+              </td>
+              <td>
+Serves as a superclass for specific schema types that are placed into the
+<a href="#data-schemas">credentialSchema</a> property.
+              </td>
+            </tr>
+            <tr id="bc-credential-status">
+              <td>
+`CredentialStatus`
+              </td>
+              <td>
+Serves as a superclass for specific credential status types that are placed into
+the <a href="#status">credentialStatus</a> property.
+              </td>
+            </tr>
+            <tr id="bc-confidence-method">
+              <td>
+`ConfidenceMethod`
+              </td>
+              <td>
+Serves as a superclass for specific confidence method types that are placed into
+the `confidenceMethod` property.
+<span class="issue atrisk">This superclass is at risk and will be removed if
+at least two independent implementations for the superclass are not identified
+by the end of the Candidate Recommendation phase.
+</span>
+              </td>
+            </tr>
+            <tr id="bc-refresh-service">
+              <td>
+`RefreshService`
+              </td>
+              <td>
+Serves as a superclass for specific refresh service types that are placed into
+the <a href="#refreshing">credentialRefresh</a> property.
+<span class="issue atrisk">This superclass is at risk and will be removed if
+at least two independent implementations for the superclass are not identified
+by the end of the Candidate Recommendation phase.
+</span>
+              </td>
+            </tr>
+            <tr id="bc-render-method">
+              <td>
+`RenderMethod`
+              </td>
+              <td>
+Serves as a superclass for specific render method types that are placed into
+the `renderMethod` property.
+<span class="issue atrisk">This superclass is at risk and will be removed if
+at least two independent implementations for the superclass are not identified
+by the end of the Candidate Recommendation phase.
+</span>
+              </td>
+            </tr>
+            <tr id="bc-terms-of-use">
+              <td>
+`TermsOfUse`
+              </td>
+              <td>
+Serves as a superclass for specific terms of use types that are placed into
+the <a href="#terms-of-use">termsOfUse</a> property.
+<span class="issue atrisk">This superclass is at risk and will be removed if
+at least two independent implementations for the superclass are not identified
+by the end of the Candidate Recommendation phase.
+</span>
+              </td>
+            </tr>
+          </tbody>
+        </table>
+
       </section>
       <section class="informative">
         <h3>Differences between Contexts, Types, and CredentialSchemas</h3>

vocab/credentials/v2/vocabulary.yml

@@ -19,20 +19,20 @@ ontology:
 class:
   - id: CredentialEvidence
     label: Credential Evidence
-    comment: A credential evidence provides evidence schemes that are used by the <a href="#evidence">evidence</a> property. This class serves as a supertype for specific evidence types.
+    defined_by: https://www.w3.org/TR/vc-data-model-2.0/#bc-credential-evidence
     status: reserved
 
   - id: CredentialSchema
     label: Credential schema
-    comment: A credential schema provides verifiers with enough information to determine if the provided data conforms to the provided schema. This class serves as a supertype for specific schemas (e.g., <a href="#JsonSchema">JsonSchema</a>).
+    defined_by: https://www.w3.org/TR/vc-data-model-2.0/#bc-credential-schema
 
   - id: CredentialStatus
     label: Credential status
-    comment: A credential status provides enough information to determine the current status of the credential (for example, suspended or revoked). This class serves as a supertype for specific status types.
+    defined_by: https://www.w3.org/TR/vc-data-model-2.0/#bc-credential-status
 
   - id: ConfidenceMethod
     label: Confidence method
-    defined_by: https://w3c-ccg.github.io/confidence-method-spec/
+    defined_by: https://www.w3.org/TR/vc-data-model-2.0/#bc-confidence-method
     status: reserved
 
   - id: JsonSchema
@@ -47,23 +47,19 @@ class:
 
   - id: RefreshService
     label: Refresh service
-    comment: A refresh service is a mechanism that can be utilized by software agents to retrieve an updated copy of a Verifiable Credential. This class serves as a supertype for specific refresh service types.
+    defined_by: https://www.w3.org/TR/vc-data-model-2.0/#bc-refresh-service
     status: reserved
 
   - id: RenderMethod
     label: Render method
-    comment: A specific render method specifies how a software expresses the verifiable credential using a visual, auditory, or haptic mechanism. This class serves as a supertype for specific render method types.
+    defined_by: https://www.w3.org/TR/vc-data-model-2.0/#bc-render-method
     status: reserved
 
   - id: TermsOfUse
     label: Terms of use
-    comment: Policy under which the creator issued the credential or presentation. This class serves as a supertype for specific types for terms of use.
+    defined_by: https://www.w3.org/TR/vc-data-model-2.0/#bc-terms-of-use
     status: reserved
 
-  # - id: StatusList2021Entry
-  #   label: Status List 2021 Entry
-  #   comment: A Status List 2021 Entry provides issuers with a mechanism to provide status information for verifiable credentials.
-
   - id: VerifiableCredential
     defined_by: https://www.w3.org/TR/vc-data-model-2.0/#credentials
     label: Verifiable credential