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Definitions from the Web

Signals

Definition:

Signals, as a noun, refers to a form of communication or indication that conveys information or instructions through a visual or auditory means.

Senses:

1. Visual or Auditory Indications
2. Telecommunications or Electronic Communications

Usage:

1. Visual or Auditory Indications:
• He used hand signals to direct traffic smoothly.
• The flashing red light is a signal that the train is approaching.
2. Telecommunications or Electronic Communications:
• Cellphone signals can be affected by tall buildings.
• The ship lost all radio signals and was unable to call for help.

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