<figcaption> tag used inside the <figure> tag with image tag in HTML - I will show with example
Syntax Example of <figure> & <figcation>:
<figure>
<img src="image_URL" />
<figcaption>Image title information</figcaption>
</figure>
The <figure> tag always use with image and figcaption tags, because figcaption tag provide title information or descriptions of the image, & The <figcaption> tag is not going to without figure tag.
<figcation> tag help to improve web page SEO.