The anchor element <a> is the foundation of the web. Without it, the World Wide Web wouldn't be a web — just a collection of isolated pages. Links connect documents, create navigation, trigger downloads, open emails, and even scroll users to specific sections of the same page.
1-B 2-B 3-A 4-B | 5 noopener (noreferrer) 6 top 7 = <a href="..." target="_blank" rel="noopener">Docs</a> 8 = <a href="#top">Back to top</a> with id="top" at page start 9 = Absolute = full address; relative = path from current page | 10 = Bad accessibility/SEO - text should say where it goes