On a handheld device, a tap is the equivalent of a mouse click on a personal computer, used to select options and to interact with programs. On a PC, you select applications or manipulate interface components such as windows and task bars by clicking on them with a mouse. Using the more compressed and space-constricted user interface of a handheld device, you select applications and manipulate the interface using the tap, often with a stylus .

21 Sep 2005