This document provides an overview of effective business communication. It discusses the importance of communication in business and defines formal and informal communication channels. It also outlines the benefits of effective communication, noting that communication skills are highly valued. The document then covers various types of internal communication flows like downward, upward, horizontal, and diagonal communication. It provides details on each type and how to encourage effective internal communication. The document also discusses external communication and its importance for an organization's reputation and success. Finally, it outlines the key components of the communication process.