This document discusses various aspects of communication including its definition, purpose, types, processes, and importance. Some key points covered are: - Communication is the sharing of information between individuals through various channels. Its purposes include expressing oneself, building relationships, and informing others. - Types of communication include verbal, non-verbal, formal, informal, interpersonal, intrapersonal, and mass communication. Verbal communication includes speaking and writing while non-verbal includes body language, gestures, and facial expressions. - The communication process involves a sender encoding a message, sending it through a channel, potential noise interfering, a receiver decoding the message, and feedback. Effective communication requires sending clear messages and correctly understanding responses.