face - the side upon which the use of a thing depends (usually the most prominent surface of an object); "he dealt the cards face down"

timepiece, timekeeper - a measuring instrument or device for keeping time

controller, control - a mechanism that controls the operation of a machine; "the speed control on his turntable was not working properly"; "I turned the controls over to her"

indicator - a device for showing the operating condition of some system

dial phone, dial telephone - a telephone with a dial for registering the number to be called

finger hole - a hole for inserting a finger

selector switch, selector - a switch that is used to select among alternatives

telephony, telephone - transmitting speech at a distance

control, operate - handle and cause to function; "do not operate machinery after imbibing alcohol"; "control the lever"

choose, pick out, select, take - pick out, select, or choose from a number of alternatives; "Take any one of these cards"; "Choose a good husband for your daughter"; "She selected a pair of shoes from among the dozen the salesgirl had shown her"