This document discusses film genres and the concept of genre. It provides definitions of genre as a type or category of film linked by common elements. Genres have conventions and iconography that help define them. The document also discusses how genres can shift and change over time due to social and economic factors. Producers must meet audience expectations of genres while also innovating to stay competitive. Different theorists such as Ed Buscomb, Colin McArthur, Tom Ryall, and Stephan Neale are summarized as having varying views on whether iconography or narrative is most important in defining genres.