1. In a computer system having a display and a user interface selection device, a method of providing a graphical user interface on the display, comprising the steps of: (a) displaying a first level of categories of functions; (b) displaying a second level of categories of functions, the second level of categories of functions being subcategories of a selected first level category of functions; and (c) displaying a visual representation of one or more functions, the visual representation of one or more functions being one or more subcategories of a selected second level category of functions, and the visual representation of one or more functions providing a visual indication of the function represented by the visual representation.