• Show As Frame- specifies that the Class, Data Type, Interface or Signal is shown as a frame.
If you opened the View Options by right-clicking the diagram background, the check boxes you select set the default view options for any Classes, Data Types, Interfaces or Signals that are added to the diagram there after.
If you opened the View Options by right-clicking one or more selected Classes, Data Types, Interfaces or Signals, the check boxes you select change the view options of those items.