In HTML, Tag notify the browser that this can be a HTML document. Tag consider all other HTML elements.
< = Open delimeter
> = Closing delimeter
<html> = Opening tag
</html> = closing tag
<html>...</html> = Paired tag
<br> = Break tag
<hr> = horizontal Line
<img> = Image Tag
<html> = Opening tag
</html> = Closing tag
<p></p> = Paragraph Tag
<h1>..-<h6> = Heading Tags