A keystroke is one touch of one of the keys on a computer or typewriter keyboard. the action of pressing a key on a computer or other machine
The act of pressing an input key; a keypress on a computer keyboard or a typewriter, or a similar input device
The process of depressing or touching a key to produce the desired character Some keys (such as the Shift, Ctrl and Alt) have to be held down whilst others are depressed to produce the desired effect