buttonsignal
nounUK /ˈbʌtənˌsɪɡnəl/
US /ˈbʌtənˌsɪɡnəl/
A button signal is a light or sound that tells you something when you press a button.
When you press the button at the crosswalk, the button signal turns green so you know it is safe to walk.
OTHER MEANINGS
2. A small light on a machine that shows a button has been pressed.
The button signal on the elevator lit up after she pressed the button.
3. A sound made by a device when someone pushes a button.
The toy made a happy button signal each time the child pressed it.
4. A sign or mark that shows where a button is and what it does.
The button signal above the door told people which button to press.