As special body movement that carry meaning , gestures are an important component of non-verbal communication. Some gestures have come to be accepted in general as having the similar meanings, such as a handshake is the most common gesture that goes with a greeting, waving an outstretched hand with open palm is the gesture for 'goodbye' and so on. Here are some gestures that are widely used in the English-speaking countries and certain other countries or places. Do you know the meaning of these gestures?