a traffic light

to switch on and off; flash; blink; flicker

switching on and off; flashing; blinking; flickering

a loom / woven cloth

a signal / traffic lights

emergency vehicle lighting, flashing light, flashing beacon (emergency vehicle lighting)

a green traffic light, a green light (abbr. 青), green signal

red light of traffic lights, red signal

yellow light of traffic lights, yellow signal, amber light, amber signal

to cross or enter an intersection ignoring a traffic signal (on foot or with a vehicle); jaywalk / to pass a red light or stop sign without stopping