Gestures are a transnational means of communicating,in that they have the same or universal meaning across cultures.

Gestures

Movements of the body or limbs that express or emphasize ideas, sentiments, or attitudes.

Transnational

Operations, influences, or activities that cross or extend beyond national boundaries.

Universal Meaning

A concept, symbol, or idea that is understood in the same way by all people, regardless of their cultural or linguistic background.