This document discusses the various channels of non-verbal communication including body communication, body appearance, facial communication, eye communication, touch communication, paralanguage, silence, spatial messages and territoriality, artifactual communication, and temporal communication. It also covers the functions of nonverbal communication in forming impressions, relationships, conversations, influencing others, and expressing emotions. Finally, it discusses how nonverbal communication varies across cultures with gestures, time orientations, and meanings of colors.