This document provides an overview of different sectors in digital media including film, video games, magazines, music, television, radio, newspapers, and the web. It then discusses analogue vs digital platforms, common devices used to access media, and the key processes involved in media production and distribution - pre-production, production, post-production, marketing, distribution, exhibition, and synergy. The document also covers topics like audience segmentation, how audiences can interact with media, and theories around audience effects.