Use a <figure> element to mark up a photo in a document. The <figure> element also contains a caption:
The <figcaption> tag defines a caption for a <figure> element.
The <figcaption> element can be placed as the first or last child of the <figure> element.
The numbers in the table specify the first browser version that fully supports the element.
The <figcaption> tag is new in HTML5.
The <figcaption> tag also supports the Global Attributes in HTML.
The <figcaption> tag also supports the Event Attributes in HTML.
HTML DOM reference: Figcaption Object
Most browsers will display the <figcaption> element with the following default values: