<a>
A hyperlink — the element the web is named after.
Baseline: Widely available · Inline text semantics
When to use it
For navigation to a URL or fragment, with link text that predicts the destination; use rel to describe the relationship (external, license, author, nofollow).
When not to
Never 'click here', never href='#' as a fake button (that's button), and never a link that does nothing.
Key attributes
href- destination URL or #fragment
rel- relationship tokens
hreflang- language of the target
download- save instead of navigate
Example
<a href='https://developer.mozilla.org/en-US/docs/Web/HTML' rel='external'>MDN's HTML documentation</a>