This is a very simple html coding with meaning of the tags defined for basic learners having no previous background of programming.
<!DOCTYPE html>
<html>→ html code starting tag, defines html document.
<body>→ Body starting tag, defines the body of the document.
<h1>This is heading 1</h1>→ <h1> Heading 1 starting tag, </h1> Heading 1 closing tag.
<h2>This is heading 2</h2> .
<h3>This is heading 3</h3> .
<h4>This is heading 4</h4> .
<h5>This is heading 5</h5> .
<h6>This is heading 6</h6>→ <h6> Heading 6 starting tag, </h6> Heading 6 closing tag.
<p>This is my first paragraph.</p>→ <p> Paragraph starting tag, defines paragraph.
</body>→ Body closing tag.
</html>→ html code closing tag.
The code above will show you the following result in the browser;