Learn HTML- what is HTML and Markup Language ?

First questions Is what is HTML and how can do help for create website?

HTML is a Hyper text markup language, we can not say to a languages but you can say this is a markup language. Then what is mark up language? “Markup Language is a array of explanation to text that explain how it is to be structured, and formatted.”
Markup Langauge is make for groups of markup tags and then HTML(hyper text markup language) uses markup tags to explain websites pages.

Now move to HTML( Hyper Text Mark up Language) Tags
HTML tags like < >, always tags come in duo due to first is start to tag and second mentioned to closed the tag. We can say to first tag is starting tag and end tag called closing tag.