This document provides an overview of public relations and communication basics. It discusses the key elements of communication including sender, message, medium, and receiver. It defines public relations as managing an organization's image and reputation by fulfilling public needs. Several theories of media effects are described, ranging from the hypodermic needle theory of high influence to limited effects theories. Framing and its role in shaping discussions is also covered. Strategies for communicating with active versus passive audiences are discussed, including using the M-A-O model to motivate, enable ability, and provide opportunities for action.