The <dt>HTML element specifies a term in a description or definition list, and as such must be used inside a <dl> element. It is usually followed by a <dd> element; however, multiple <dt> elements in a row indicate several terms that are all defined by the immediate next <dd> element.
The subsequent <dd> (Description Details) element provides the definition or other related text associated with the term specified using <dt>.
The start tag is required. The end tag may be omitted if this element is immediately followed by another <dt> element or a <dd> element, or if there is no more content in the parent element.
Permitted parents
A <dl> or (in WHATWG HTML, W3C HTML 5.2 and later) a <div> that is a child of a <dl>. This element can be used before a <dd> or another <dt> element.