What does black-and-white silent film mean?

A black-and-white silent film is a movie with only two colors, black and white, and no sound.

Black-and-white silent film refers to a film work without any dubbing, soundtrack or sound and picture coordination. They usually use black-and-white photography technology to convey stories and emotions with visual expressions and actions. Black-and-white silent film occupies an important position in the history of film, and it is one of the early forms of film art. Early film technology could not record and play sound, so silent film became the main form of film. Film production in the silent film era depends on the actors' performance, photography skills and editing techniques, and conveys the plot and emotion through pictures and subtitles. Black-and-white silent films played an important role in the development of films and had a far-reaching impact on the later film art.