Target Object
Use this box to specify the target object for which to show related objects for. This box initially contains the target object you first selected from the Control Center objects tree. To specify a target object, click on the down arrow to display a list of previously selected target objects and select one. The selected Page changes to show the related objects.
If there are no previously selected objects in the list, click mouse button 2 on a related object on the selected Page and select Show Related from the pop-up menu. The selected Page changes to show the objects related to your latest selection. Your previous target object is added to the list.