This document presents a study on communication. It defines communication as the sharing of information between individuals through three primary steps: having a thought or idea, encoding it into a message, and the receiver decoding the message. The document then discusses various definitions of communication from different authors. It proceeds to identify several common barriers to effective communication, such as noise, time and distance limitations, information overload, language barriers, and cross-cultural differences. In the conclusion, the document summarizes that effective management of communication requires consideration of rhetoric, identity, and goals, and discusses best practices for managerial communication.