This document discusses key concepts relating to message design and communication, including:
[1] It defines a message as facts, feelings, or information a communicator aims to convey to an audience. [2] It identifies three dimensions of message - code, content, and treatment. Code refers to the symbols and structure used. Content is the selected material. Treatment is how the message is delivered. [3] It provides characteristics of an effective message, such as being clear, relevant, and motivating to the audience. The summary also discusses message treatment strategies and potential types of message distortion.