SELECTION PARADIGM FOR DISPLAYED USER INTERFACE

A moveable displayed user interface element can be used to select an item displayed on a user interface. Once the proper item or items are selected, an area of the moveable displayed user interface element can be activated to perform an operation on the selected item or items. The moveable displayed user interface element can additionally display information about a selected item, and, in some cases, the displayed information can be edited to modify the selected item. A versatile lightweight system can be used to determine when a moveable object is over any of a number of regions associated with specified targets. The lightweight system can be used to implement moveable displayed user interface elements.