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to signal
01
to give someone a message, instruction, etc. by making a sound or movement
02
to indicate something as a sign for something else
03
to do something to make one's feelings or opinions known
Signal
01
a gesture or action used to convey a message without using words
02
any incitement to action
03
a series of electrical or radio waves carrying data to a radio, television station, or mobile phone
signal
01
notably out of the ordinary
Example
The referee signaled a penalty by raising the yellow card.
The coach signaled the players to execute a specific play using hand gestures.
In a crowded room, she discreetly signaled her friend across the table to join her.
The traffic officer signaled drivers to stop or proceed using hand signals.
His persistent pain signaled a case of tennis elbow.
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