This screen lists all contracts that are filtered by user listed in the Handled by field
In Duration + terms under GNM contacts the user that handles the contract administration is listed in the Handled By. If a contract does not have an end date the it will be listed in here regardless of whether there is a current contract period.
When Handled By is selected from the menu option then a list of user names will appear in a pop up and by clicking on the user name and OK will bring up a list of contracts handled by that user: