There are gestures and facial expressions that replace words and are immediately understood by natives of each country. The same signs may exist in another culture and have different meanings. Although these cultural traits are very simple, they must be performed very accurately; otherwise they are as meaningless as a mispronounced word.
Lebugle, Andre, "FLARR Pages #35: Let Your Fingers Do the Talking" (2004). FLARR Pages. 11.