There are a large number of operations you can perform on any object selected in the graph of either the layouts view or the menus view. These operations allow you to refine the design of the current interface.
The techniques described in this section apply to an object selected in either the layouts view or the menus view. Any changes made are automatically reflected in both the Interface Builder and the interface skeleton.
LispWorks IDE User Guide (Unix version) - 25 Nov 2011