A title or brief explanation appended to an article, illustration, cartoon, or poster. noun
The caption under the photograph provided the date and location it was taken.
Each cartoon in the magazine had a humorous caption.
A piece of text appearing on a movie or television screen as part of a film or broadcast, typically to provide additional information or translation. noun
The foreign film had English captions to help viewers understand the dialogue.
The documentary included captions to identify each speaker.
To provide a caption for a photograph, illustration, or piece of media. verb
She captioned the photo with a witty remark.
The editor asked him to caption each image in the article.