Clickers are devices used to interact with computers or other electronic systems. BICS, or 'Binary Input Coded Switches, ' are a type of clicker that uses binary codes to send signals to a computer. CASTANETS are a type of percussion instrument that can be used as a clicker by tapping them together. Remotes are handheld devices that can be used to control a variety of electronic systems, such as TVs and DVD players, and can also be used as clickers. Mice are a type of input device that is used to control a computer's cursor and can also be used as clickers. USERS are people who use clickers to interact with computers or other electronic systems. Taps are a type of clicker that is used to select items on a touchscreen.