Hyperlinks can be contained in documents, known as source documents.
 Web pages are written in the hypertext mark-up language HTML
The HTML code contains some or all of the five main characteristics of a link:link destination ("href" pointing to a URL)link labellink titlelink targetlink class or link idIt uses the HTML element "a" with the attribute "href" (HREF is an abbreviation for "Hypertext REFerence") and optionally also the attributes "title", "target", and "class" or "id":<a href="URL" title="link title" target="link target" class="link class">link label</a>To embed a link into a web page, blogpost, or comment, it may take this form:<a href="https://example

