This is a Standard List of related data in the Action Form, with columns preset by the Conquest Administrator. It operates similarly to Conquest Views. See How To Use The View Manager for more details on Views and Standard Lists.
All related items are displayed regardless of being Complete.
For ease of use, click to collapse the Action Form Tasks Panel, so the Related Items Tasks Panel is clearly visible:
In this example, selecting the Related Items Tab of the Actions Form provides Standard Lists in side-tabs for any of:
•Sub Actions
•Preceeding Actions
•Succeeding Actions
•Defects
•Requests
That are related to the Action.