"The aim of this training manual is to introduce the basic concepts of journalism and its evolution in a way that the readers understand and acknowledge the responsibility of the task of informing the citizens. This manual aims to be a tool to strengthen community media as a way to the empowerment of societies. The text is an introduction to concepts such as information, communication, propaganda, public opinion and the agenda setting process. We believe that it is necessary to understand how media work and to be familiar with the media structure in order to participate in it and influence it to change it, so that citizens feel closer to media." (Introduction, page 7)