how to connect 2 or 3 pages in html code example

Example 1: html multi page website

<nav>
  <ul>
    <li><a href="#">Navigation</a></li>
    <li><a href="#">Menu</a></li>
    <li><a href="#">Links</a></li>
  </ul>
</nav>

Example 2: html add page to document

<nav>
  <ul>
    <li><a href="myPage.html">Main Page</a></li> <!-- Add a link to a website. -->
    <li><a href="myOtherPage.html">Other Page</a></li> <!-- Add a link to another website. -->
  </ul>
</nav>