Clarify ExternalIdentifier and ExternalRef

This commit attempts to clarify the differences between ExternalIdentifier and ExternalRef classes. Closes #705 Signed-off-by: Rose Judge <[email protected]>
spdx · Apr 10, 2024 · 28091c0 · 28091c0
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diff --git a/model/Core/Classes/ExternalIdentifier.md b/model/Core/Classes/ExternalIdentifier.md
@@ -4,16 +4,17 @@ SPDX-License-Identifier: Community-Spec-1.0
 
 ## Summary
 
-A reference to a resource outside the scope of SPDX-3.0 content that uniquely identifies an Element.
+A reference to a resource identifier defined outside outside the scope of SPDX-3.0 content that uniquely identifies an Element.
 
 ## Description
 
 An ExternalIdentifier is a reference to a resource outside the scope of SPDX-3.0 content
-that uniquely identifies an Element.
+that provides a unique key within an established domain that can uniquely identify an Element.
 
 ## Metadata
 
 - name: ExternalIdentifier
+- SubclassOf: none
 - Instantiability: Concrete
 
 ## Properties

diff --git a/model/Core/Classes/ExternalRef.md b/model/Core/Classes/ExternalRef.md
@@ -4,12 +4,12 @@ SPDX-License-Identifier: Community-Spec-1.0
 
 ## Summary
 
-A reference to a resource outside the scope of SPDX-3.0 content.
+A reference to a resource outside the scope of SPDX-3.0 content related to an Element.
 
 ## Description
 
-An External Reference points to a resource outside the scope of the SPDX-3.0 content
-that provides additional characteristics of an Element.
+An External Reference points to a general resource outside the scope of the SPDX-3.0 content
+that provides additional context, characteristics or related information about an Element.
 
 ## Metadata