Black-and-white film is a style of filmmaking that uses only shades of gray, without color. This technique was popular in the early days of cinema, allowing filmmakers to focus on storytelling, lighting, and composition. The absence of color can create a timeless quality and emphasize emotions, making it a powerful medium for artistic expression. Many classic movies, such as Casablanca and Citizen Kane, are celebrated for their black-and-white cinematography. Filmmakers like Alfred Hitchcock and Francois Truffaut used this style to enhance the mood and atmosphere of their stories. Today, some directors still choose black-and-white film to evoke nostalgia or to create a unique visual experience.