captioning

noun
UK /ˈkæp.ʃən.ɪŋ/
US /ˈkæp.ʃən.ɪŋ/

Captioning is writing words on a screen so people can read what is being said or shown.

The captioning on the video helped the deaf students follow the lesson.


OTHER MEANINGS

2. The act of writing a short title or description under a picture.

She spent the afternoon captioning the photos in her album.

3. Text shown on a TV or video screen for people who cannot hear the sound.

Closed captioning lets viewers read the dialogue.

4. The process of adding a brief explanation to a chart or diagram.

Good captioning makes the graph easy to understand.