The document discusses communication, defining it as the effective sharing of facts, opinions, or emotions between two or more people. It notes the three basic elements of communication are the sender, message, and receiver. It then discusses the encoding and transmission of ideas from sender to receiver through a channel and potential feedback. The document outlines key functions of communication in organizations like informing, instructing, sharing information, and motivating workers. It also lists factors that have increased the importance of communication like technology, information, and management changes. Additionally, it covers important aspects of effective communication and potential barriers to communication, providing suggestions for overcoming barriers. Finally, it distinguishes between verbal and non-verbal methods of communication.