In this study session you will learn about the components of health communication. Within each component of communication (source, audience, message, channels and feedback), you will learn about the concepts, characteristics and prerequisites that you will need to consider for effective communication with your community. You will also learn different types of appeals that you can use in your delivery of health messages. The content of each message can be organised in a variety of different ways so that it can persuade or convince people. You will also learn about the processes of communication, the whole sequence of transmission and about the interchange of facts, ideas and feelings. Finally you will learn about the six stages of communication that will help you promote changes in health through the modification of the human, social and political factors that influence behaviour.