This document provides an overview of key concepts relating to understanding media industries and audiences. It discusses the aims of examining how media production, distribution, and circulation affect media forms and how audiences interpret and engage with media. Key aspects covered include media ownership, regulation, convergent platforms, and how individual producers influence industries. It also addresses how media target and construct audiences and how audiences' identities and contexts shape their media use and responses. The document then focuses on the film industry, comparing the Hollywood and British models with emphasis on vertical and horizontal integration, their benefits and drawbacks, and creating an infographic detailing the structure of NBC Universal and Comcast.