This document provides an overview of the Western genre in film. It defines genre and discusses the key conventions and iconography of Westerns, such as the central themes of civilization versus savagery, landscapes like deserts and mountains, and symbolic characters. The document also examines the historical basis of Westerns in the American expansion period of 1860-1910, and traces the evolution of the genre through classical, postwar, widescreen, revisionist, spaghetti, and genre-mixing phases.