what is built in html tags? How they are different from the normal tags? what is the differences?

Question

For example: article , aside
What is the use of article & aside tag?

Answer 1

Built in HTML tags are : p, img etc.
The above tags are known as semantic tags.
They provide meaning to the HTML codes and improved SEO.

Read More :
https://developer.mozilla.org/en-US/docs/Glossary/Semantics