What are the defining features of a Film Noir?

Film Noir is a unique genre that emerged in the 1940s and 1950s, characterized by its dark and moody atmosphere, morally ambiguous characters, and intricate plotlines. The defining features of Film Noir include high contrast black-and-white cinematography, urban settings, femme fatale characters, and a sense of disillusionment. These films often explore themes of crime, corruption, and existential despair. By embracing a sense of pessimism and fatalism, Film Noir creates a captivating and thought-provoking viewing experience that continues to influence filmmakers and audiences to this day.