This document defines several key media terminology concepts. It explains that genre refers to the type or category of a media product, and genres develop based on patterns and conventions within films and programs that become recognizable to audiences over time. Hybrid genres mix two or more genres, while sub-genres are subsets within a genre that share some conventions but also have unique conventions. The document also defines target audiences, audience appeal, and media institutions as the companies responsible for producing, distributing, marketing and presenting media to audiences. Genre is important to both audiences and institutions for organizing, promoting and appealing to audiences.