HTML full form is Hypertext Markup Language.
HTML is the set of markup symbols or codes to display on Web browser page. HTML is Recommended by the World Wide Web Consortium (W3C). It tells the browser how to display a Web page's words and images for the user.
It contains Tag (Elements) and Attributes. Most of the tags must have two parts, first is opening part and other is closing part. Now we have an example of opening tag is <html> and closing tag is </html>