The List Window contents are replaced with a List Window container view of the selected class and its parent classes. A container view is an expandable list of program elements. 

The status bar above the List Window contents shows you which object-action pair was used to create the currently displayed view. In this case, the object was the class AHelloWindow and the action was List Members with Inheritance. 

Each kind of object (class, function, type, variable, file) in the Browser has a separate set of Browser actions.