This document discusses non-verbal communication and its importance, accounting for over 50% of communication. It defines non-verbal communication as symbolic behaviors beyond words that convey messages. Some key forms discussed include body language, proxemics, chronemics, sign language, and paralanguage. Specifically, it outlines different types of gestures, facial expressions, eye contact, postures, handshakes, and how variations in volume, pitch, pacing and pauses in speech can influence meaning.