visual signal
Light or gesture
A visual signal is any communication conveyed through sight rather than sound or touch.
Traffic lights, hand gestures, flares, and semaphore flags are all visual signals.
The term appears in contexts ranging from biology peacocks use visual signals to attract mates to military operations the squad advanced on visual signal.
- flashBrief burst of light
- beaconGuiding light source
- distress flareEmergency visibility device
- flareSudden bright burst
- blinkRapid lid movement
gesture · red flag · flag · semaphore · light · warning · warning light · strobe · glow · indicator · neon · headlight · high beams · wink · wave · spotlight · glint · hazard
sensory modality
visual signalauditory signal
Sound meant to inform
audio signal · audible signal · audio cue · beep · buzzer
visual, visually, visualize, visualization, visible, visibility, vision, visionary, signal