This document provides an overview of communication, including its definition, nature, importance, process, types (formal/informal, verbal/non-verbal, oral/written), barriers, and tips for effective communication. Communication is defined as the process of passing information between two or more people. It involves a sender, message, encoding, channel, receiver, decoding, and feedback. Formal communication follows organizational lines of authority, while informal communication occurs through personal relationships. Verbal communication includes oral communication like speech as well as written communication like letters and reports. Non-verbal communication includes body language, gestures, and tone of voice. Barriers to effective communication include noise, cultural differences, and lack of clarity. Tips provided for