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Glossary » tapping


an input technique, used especially with pen-based systems. A tap is a rapid touch then withdrawal from the surface. A screen is tapped with a pen or a touchpad is touched by a finger to indicate selection of an item or pressing of a button. A tap is distinctive from clicking a mouse button because the same movement is used not only to select but also to specify position, whereas clicking with a mouse is independent of the movement to indicate the position.