Open Tasks: These are tasks that are new tasks that require action. Users need to review, complete required actions, and close these tasks. 

Aging Tasks: These are tasks that are older than 90 days. Users can still review, complete required actions, and close these tasks. 

Closed Tasks: These are tasks that have been reviewed and closed by the task assignee. 

Unassigned Tasks: These are tasks that need to be reassigned. They are currently assigned to the unassigned user or to a user who is deactivated.