In a definition list, what does the <dt> tag define?

The

tag in a definition list is specifically used to define a term or item. This tag is part of the HTML definition list structure, which also includes the

tag to define the list itself and the

tag to provide the description or definition of the term specified by

. The

tag marks the term that is being defined, making it clear for both browsers and assistive technologies what the main item of focus is within the definition list.

Understanding the role of

is crucial for creating semantic HTML, as it enhances the clarity of the content and improves accessibility for users who rely on screen readers or other assistive devices. The other options do not accurately represent the function of

, as they pertain to different elements or purposes in HTML.