One of the most difficult gestures to interpret between cultures is:

Question

Quizplus · Accepted Answer

One of the most difficult movements to interpret is head shakes. Western gestures such as shaking the head up and down to signify "yes" and from side to side to signify "no" have different equivalents in other cultures.In the Middle East, people raise their head in a haughty manner to say "no," while sometimes accompanying the gesture with a click of the tongue.

One of the Most Difficult Gestures to Interpret Between Cultures