visual signal

Examples (10)

• The lighthouse emitted a powerful visual signal to guide ships.
• A flashing red light served as a visual signal for danger.
• The diver used a visual signal to indicate that he needed to surface.
• The presenter used hand gestures as a visual signal to emphasize key points.
• The traffic lights provide a visual signal for drivers to stop or go.
• In the experiment, the color change acted as a visual signal of a chemical reaction.
• The emergency flares sent a visual signal of distress to potential rescuers.
• The bright flag was a visual signal marking the start of the race.
• The artist incorporated a subtle visual signal in the painting to convey a hidden meaning.
• The synchronized blinking lights were a visual signal for the performers to begin their routine.