This help book in the User's Guide book covers the following information:

This section shows you the common elements you have to work with in the Form and Report designers.  Other designers—for data modules, labels, and custom classes—are variations on the Form and Report designers.  Their menus and tools vary, and they might look a little different, but otherwise they all work basically the same.  This section refers to the Form and Report designers, but the information applies to the other designers, as well.