To create a webpage with HTML, it is necessary to create a basic layout using HTML tags which include HTML, HEAD and BODY tag. so, other resources and tags can be used to create webpage layout.
<!DOCTYPE html>
<!--Root/top-level Element -->
<html>
<!--Head Section -->
<head>
<!--Title of webpage -->
<title>This is Title</title>
<!-- Resources like css, javascript and others are declared here -->
</head>
<!-- Body Section -->
<body>
<!-- Here, other tags are used as per requirement to create webpage -->
</body>
</html>
"<html></html>" is the root or top level element or very first element of webpage, inside all other tag should be mentioned.
HEAD tag where all resources like CSS, javascript, META tags which contains all data about webpage, should be mentioned.
BODY tag contains all other tags, which is required to build or create webpage layout or structure.