This document discusses body language and non-verbal communication. It notes that over 65% of social meaning is communicated non-verbally through aspects like kinesics, proxemics, and paralinguistics. Kinesics includes gestures, posture, facial expressions and eye contact. Proxemics refers to personal space zones like intimate, personal, social and public distances. Paralinguistics encompasses volume, pitch, pauses and articulation. The document also identifies common lying gestures and references books on body language and non-verbal communication.