The red flag signalizes danger to anyone approaching the cliff.

She signalized the end of the rehearsal by turning off the lights.

During the drill, the captain was signalizing the evacuation route with a flashlight so everyone could see where to go.

She signalled to the driver to stop when the children were crossing the road.

The sailors decoded the hidden signalls painted along the coastline to navigate safely at night.

The driver signaled before changing lanes, preventing an accident.

The lifeguard was signaling swimmers to return to shore.

Cellular signaling is essential for coordinating development in multicellular organisms.

The signaler raised his lantern to guide the convoy through the fog.

The signallers coordinated the convoy through the fog using lanterns.