## TL;DR
Film genres categorize movies by narrative conventions, visual style, and emotional effect. Major genres: action, comedy, drama, horror, sci-fi, thriller, romance, documentary, animation, musical, western, noir. Genres evolve and hybridize over time — modern films often blend genres.
## Core Explanation
Horror: fear of the unknown, monsters, psychological terror: Psycho (1960), The Exorcist (1973), Get Out (2017). Sci-fi: future scenarios, technology, social commentary: 2001 (1968), Blade Runner (1982), The Matrix (1999). Western: American frontier mythology (declined 1970s). Noir (1940s-50s): cynical, shadowy crime films — Maltese Falcon, Double Indemnity. Animation: from hand-drawn (Disney) → CGI (Pixar) → anime (Studio Ghibli).
## Further Reading
- [Film Art: An Introduction (Bordwell & Thompson, 12th Ed)](https://www.mheducation.com/highered/product/film-art-introduction-bordwell-thompson/M9781260056082.html)