RUNTIME' (4 letters) The term LENGTH OF FILM can be summarized by two crossword solutions: FOOTAGE (7 letters) and RUNTIME (4 letters). FOOTAGE is a term used to describe the total amount of film or video that has been shot for a particular project. RUNTIME, on the other hand, is the length of time it takes for a film or video to play from beginning to end. Both terms are commonly used in the film and television industry to refer to the length of a project.