HTML (HyperText Markup Language) is a language that labels the content on a website/page so the browser understands it — "this is a heading, this is a paragraph, this is an image, this is a button or a link."
HTML isn't a programming language. It doesn't run loops, conditions, or database logic. But it's the foundation of nearly every website, which makes it the first tool you should pick up in web development. It's like trying to put on a roof without laying the foundation first.
html
<h1>Hello World!</h1>
<p>This is my first paragraph.</p>You should see
You should see a large heading in the browser with a paragraph below it.