Check out example codes for "what does the html tags mean in html". It will help you in understanding the concepts better.

Code Example 1

<!DOCTYPE html>
  <!-- your code here -->

<!-- html tag is a non-self closing tag in html, it represents the beginning
     and end of your entire code.All the other tags, elements, attributes,etc.
     comes between html tags.

     The HTML <doctype> tag is used to tell the browser which version of
     HTML the document is using. It has no end tag (self-closing tag).
	 For HTML5 version we write <!DOCTYPE html>.

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