Answer: The purpose of this chapter is to familiarize readers with the basic concepts of communication and public speaking. The chapter begins with a description of the personal, professional, and public benefits of learning more about public speaking. Then the transactional model of communication is introduced along with the fundamental components of the communication process. Next, readers will learn about different types of speeches and the occasions for which they would be presented. The chapter ends with an overview of eleven primary public speaking competencies.