When greeting one another, Americans shake hands. From an early Americans are taught to shake hands with a firm solid Other commonly used 
gestures include signaling goodbye by waving the hand and beckoning someone with a curving motion of the index finger. Nodding the head means ‘yes’, shaking it from side to side means ‘no’.A palm facing outwards with the middle finger and index finger forming a ‘V’ and the other fingers clenched signifies ‘victory’ or ‘peace’. You can say ‘OK’ by forming a circle with your thumb and forefinger, while a closed fist with the thumb up means ‘good job!’ Like us, the Americans to extend the forefinger and make a circling motion near the forehead to say ‘he’s crazy’!
