Question

what is html used for and why is it used?

Answer 1

Hyper
Text
Markup
Language
\(\uparrow\) HTML

Here is the standard the describes it and its use:
http://www.w3.org/TR/html5/

Answer 2

This is the language that is executed by your browser in order to display a webpage.

Answer 3

@gorillapilot Close, but not quite. HTML is not executable code, it is formatting instructions that browsers interpret to render a page.