caption [captions](piece of text appearing on screen as part of a film or broadcast) noun [UK: ˈkæp.ʃn̩] [US: ˈkæp.ʃn̩]Caption this photo. = Sottotitoli questa foto.
subtitle [subtitles](heading below a title) noun [UK: ˈsʌb.taɪt.l̩] [US: ˈsʌb.ˌtaɪt.l̩]