This document provides an introduction to media and information literacy. It discusses the key components of communication including the source, message, channel, receiver, feedback, environment, context, and interference. Several models of communication are presented, including Lasswell's, Shannon and Weaver's, and Berlo's models. The different forms of communication - intrapersonal, interpersonal, group, public, and mass communication - are defined. The role of media and information in the communication process is also explained. Media is defined as the physical objects used to transmit information to large audiences through channels like television, radio, newspapers, and the internet.