Refers to action moving through multiple locations without interruptions; it usually refers to the degree to which a film is self-consistent without errors, jump cuts, or mismatched shots and details; the final edited structure of a completed film includes events or scenes/sequences arranged as if they had occurred continuously, when, in fact, they were shot out of sequence; a system of editing was developed in the early 20th century to provide a continuous and clear movement of events/images in a film; a continuity cut refers to a editing cut that takes the viewer seamlessly, unobtrusively, and logically from one sequence or scene to another, to propel the narrative along; a blooper or flub is a continuity error.