This document discusses interpersonal communication. It defines interpersonal communication as communication between two or more people face-to-face. The document outlines several purposes of interpersonal communication, including conveying and receiving information, maintaining relationships, and solving problems. It also describes different types of interpersonal communication, such as direct, mediated, mass, and transpersonal communication. Finally, the document discusses forms of interpersonal communication and Knapp's relationship model, which explains how relationships develop and end.