Can anyone better explain how html works?

Answer 1

Actually, browsers are softwares that are made to run the programming language called HTML.

It will satisfy the conditions for HTML and do what is said by you through HTML.

It also understands JS,PHP,ASP,etc

Answer 2

https://www.sololearn.com/learn/HTML/1026/?ref=app test it in Code Playground. You will understand it

Answer 3

if you want to creat a html file you need to write html codes and after that
you need to
save as
anything.html