55. The process of claim 30 , further comprising the steps of: providing a plurality of interfaces comprising a plurality of selected positions within the region; and switching between the interfaces.
55. The process of claim 30 , further comprising the steps of: providing a plurality of interfaces comprising a plurality of selected positions within the region; and switching between the interfaces. 56. The process of claim 55 , wherein the step of switching between the interfaces comprises a selection by the input device.