Figure :
The figure tag is used to add a photo in the document on the web page.
It is used to handle the group of diagrams, photos, code listing with some embedded content.
EX : (figure) (img src="htmlpages/images/tajmahal.jpg" alt="Taj Mahal"/) (/figure)

Figure Caption :
The (figcaption) element is used to provide a caption to an image. It is an optional tag and can appear before or after the content within the (figure> tag. The (figcaption> element is used with (figure> element and it can be placed as the first or last child of the (figure> element.

EX :
(figure> (img src="htmlpages/images/tajmahal.jpg" alt="Taj Mahal"/> (figcaption>Fig.1.1 - A front view of the great Taj Mahal in Agra.(/figcaption> (/figure>