Puntero existente en un documento hipertexto que apunta (enlaza) a otro documento que puede ser o no otro documento hipertexto.

A reference (link) from some point in one hypertext document to (some point in) another document or another place in the same document. A browser usually displays a hyperlink in some distinguishing way, e.g. in a different colour, font or style. When the user activates the link (e.g. by clicking on it with the mouse) the browser will display the target of the link.