<!DOCTYPE html>  <!-- this is NOT an element,
                      it is the document type definition -->

<html>    <!-- this is the root element of an HTML document,
               and (in strict-style) all content should be nested
               within it -->

    <head>
        <!-- contains general info about the document -->

        <title> My First HTML page </title>
    </head>

    <body>
        <!-- document's content -->

        <p> I am a paragraph </p>
    </body>
</html>