The document provides an overview of the action genre. It discusses that action films typically feature one or more heroes facing a series of challenges involving fights, gunplay, and chases. These scenes create tension and thrill for audiences. The heroes must overcome incredible odds to attain victory by the end. Action films often hybridize with other genres like sci-fi or romance. Examples are provided of iconic action films from different decades that advanced the genre through new technologies and styles. The conventions of action films are also outlined, such as fast editing, special effects, close-ups during fights, and predictable narrative structures.