This document provides an overview of oral communication and the communication process. It defines communication and discusses its nature, functions, and elements. The nature of communication section explains that it is a process where two or more people exchange verbal or nonverbal ideas or messages. The functions of communication section lists five functions: regulation/control, social interaction, motivation, emotional expression, and conveying information. It then provides examples for each function. The document concludes by outlining the key elements in the communication process: sender, message, encoding, channel, receiver, decoding, and feedback. It also discusses noise as a hindrance.