Updated definition of 'entity' to include abstract nouns.

Co-authored-by: Ted Thibodeau Jr <[email protected]>

terms.html

@@ -51,9 +51,12 @@
   </dd>
   <dt><dfn data-lt="entities|entity's">entity</dfn></dt>
   <dd>
-A thing with distinct and independent existence, such as a person,
-organization, or device that performs one or more roles in the ecosystem.
-  </dd>
+Anything that can be referenced in statements as an abstract or concrete noun.
+Entities include but are not limited to people, organizations, physical things, documents,
+abstract concepts, numbers, and strings. Any entity may perform roles
+in the ecosystem, if it is capable of doing so. Note that some
+entities fundamentally cannot take actions, e.g., the string "abc"
+cannot issue credentials. </dd>
   <dt><dfn data-lt="graphs">graph</dfn></dt>
   <dd>
 A network of information composed of <a>subjects</a> and their relationship
@@ -62,8 +65,9 @@
   <dt><dfn data-lt="holders|holder's|holders'">holder</dfn></dt>
   <dd>
 A role an <a>entity</a> might perform by possessing one or more
-<a>verifiable credentials</a> and generating <a>presentations</a> from them.
-A holder is usually, but not always, a <a>subject</a> of the <a>verifiable
+<a>verifiable credentials</a> and generating <a>verifiable presentations</a> from 
+them.
+A holder is often, but not always, a <a>subject</a> of the <a>verifiable
 credentials</a> they are holding. Holders store their <a>credentials</a> in
 <a>credential repositories</a>.
   </dd>