The sequential numbers assigned to each frame of video or film representing the passage of time in hours, minutes, seconds, and even tenths of seconds, for example 01:20:35:10, which indicates that this frame can be found in the first hour, twentieth minute, thirty-fifth second, and first tenth of a second of videotape or film. Time codes are used for catalog purposes when identifying scenes and are most important during editing, saving valuable time in locating scenes needed for a particular edit.