This document provides an overview of advertising and media planning. It defines advertising and discusses its key features, objectives, functions, types, history and criticisms. Advertising is defined as a paid, non-personal communication to promote an idea, good or service. The document outlines the economic, social and ethical roles of advertising and examines it as a communication process. Criticisms of advertising relate to its potential negative impacts on society through promoting materialism or harmful stereotypes. The document also analyzes advertising as a marketing tool to communicate brand messages across different media platforms.