What about this one?

Caption text

1. Provide information to complete the picture

2. Establish credibility

3. Promote better engagement

The function are

a short piece of text that follows an image, a graph, or other visual media and gives additional description and explanation.

Caption text is

1. What

2. Where

3. Who

4. When

5. Why

Parts of a Caption

6. Credit

1. Present Tense

2. Active Voice

3. Credit

Language Features