
Sign
Cultural Variations
Symbols may differ across cultures; what's a sign in one may not be in another.

A thumbs-up is a positive sign in many cultures, but offensive in others.
Visual Importance
Visual signs are often used where words may not be effective, like in traffic.

A red hexagon is universally recognized as a stop sign.
Non-verbal Clues
Signs include body language that can hint at a person's feelings or intentions.

Crossed arms might be a sign of defensiveness.
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ClueEvidenceGestureIndicatorMarkOmenSignalSymbolToken
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