Subtitle
Part of speech: noun
Definition: A heading below or after a title. Textual versions of the dialog in films, usually displayed at the bottom of the screen.
Part of speech: verb
Definition: To create subtitles for the dialog in a film.
Caption
Part of speech: verb
Definition: To add captions to a text or illustration.To add captions to a film or broadcast.
Part of speech: noun
Definition: The descriptive heading or title of a document or part therofA title or brief explanation attached to an illustration or cartoon.A piece of text appearing on screen as subtitle or other part of a film or broadcast.The section on an official paper that describes when, where, what was taken, found or executed, and by whom it was authorized.A seizure or capture