Clarify effective permissions (#23935)

Author: jhutchings1

src/content/docs/fundamentals/manage-members/user-groups.mdx

@@ -9,7 +9,7 @@ sidebar:
 
 import { Tabs, TabItem } from '~/components';
 
-User Groups are a collection of [account members](/fundamentals/manage-members/) that are treated equally from an access control perspective. User Groups can be assigned permission policies, with individual members in the group receiving all permissions of the roles assigned to the User Group.
+User Groups are a collection of [account members](/fundamentals/manage-members/) that are treated equally from an access control perspective. User Groups can be assigned permission policies, with individual members in the group receiving all permissions of the roles assigned to the User Group. If users also have individually assigned permissions, then their effective permissions are the union of all of their individual permissions, plus the permissions for all of the User Groups they are a member of. 
 
 :::note
 User Group permissions are inherited by each member of the group but are not currently reflected in the role field on the **Members** page. To view a member’s full set of permissions, check both: