Non-verbal communication includes the overall body language of the person who is speaking, which will include the body posture, the hand gestures, and overall body movements. The facial expressions also play a major role while communication since the expressions on a person's face say a lot about his/her mood. On the other hand gestures like a handshake, a smile or a hug can convey emotions. Non verbal communication can also be in the form of pictorial representations, signboards, or even photographs, sketches and paintings.