'Signal' in the Bible

Meanwhile, some kidnappers were hiding inside an inner room, waiting for her signal. So she told him, "The Philistines are attacking you!" But he snapped the cords as one might break a burned candle wick. So his secret remained undiscovered.

Meanwhile, the army of Israel had arranged to signal their soldiers who had been hiding in ambush by sending up a cloud of smoke from the city.

The LORD will signal for nations far away, whistling for them to come from the ends of the earth. Look how quickly and how swiftly they come!

"Flee to safety, you people of Benjamin, leave Jerusalem. Sound the trumpet in Tekoa, and raise a signal over Beth-haccerem! For calamity and terrible destruction are turning toward you from the north.

Now the betrayer personally had given them a signal, saying, "The one I kiss is the man. Arrest him."

Now the betrayer personally had given them a signal, saying, "The one I kiss is the man. Arrest him, and lead him safely away."