3.
Entities Tab
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The Entities tab will appear for Area and sometimes for Entities. It will appear for Entities when that Entity has sub-Entities.
The Entities tab may be used to navigate to a given Entity, possibly by an Entity Manager who wishes to navigate specifically to that Entity, or by a Preparer or Reviewer who wishes to navigate to a Document within the Entity.
The Entities tab would generally be used when there are a very large number of Entities within an Area and it is not practical to use the navigation tree.