This document presents information about nonverbal communication. It defines nonverbal communication as messages expressed through means other than language, including vocal sounds and written words. It then discusses that over half of communication is nonverbal, including facial expressions and body language. The document outlines different types of nonverbal cues like eye contact and gestures. It also explains the functions and importance of nonverbal communication in transmitting messages and perceptions between people, and how culture can influence nonverbal behaviors.