Gesture Posture Body Language. Peter is standing near the center of the room with other people nearby. Picture peter and paul at a party.

We use this body communication and expressions whenever we communicate face to face. Body language is a form of nonverbal communication in which physical behaviors, such as posture, gesture, and facial expression, are used to convey messages. As body posture is people’s instinctive behavior that is the primitive way of communication, the unconscious.