This document provides an introduction to organizational communication. It defines organizational communication as the study of how organizations send and receive information within complex environments, going beyond just effective speaking, writing and listening. It identifies three fundamental characteristics of organizational communication: centrality, pervasiveness and complexity. The document then addresses five common myths about organizational communication and explains why each is a myth. It also defines communication, describes the eight types of non-verbal communication, levels of communication, and four key factors that affect organizational communication: communication skills, networks, culture and power.