how to link a nav link to a part of webpage in HTML code example

Example 1: a href to other site

<a href="https://examplesite.com" target="_blank" rel="noopener noreferrer">
  Example Link
</a>

Example 2: link to section on page html

<!-- #top is the ID of the div where u wanna link to -->
<a href="#top">Go back to the top!</a>

<div id="top"></div>