Subtitle (noun)

1. A secondary or subordinate title of a film, television program, or presentation, appearing on the screen or printed on a leaflet.
2. A translation of the dialogue of a foreign film or program displayed at the bottom of the screen.

Origin:

Early 19th century: from sub- "below" + title.

Examples:

1. The movie was shown with English subtitles.
2. The subtitle of the book was 'A Journey Through Time and Space.
3. The subtitles provided helpful context for non-native speakers.
4. The subtitles helped me follow the dialogue of the foreign film.
5. The presenter added subtitles to their slide presentation to aid understanding.