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<html> <!--called root tag-->
<head> <!--contains meta information of page-->
<title><!--contains title of page-->
html with iframe;it is used to display page's content inside another page.
</title>
</head>
<body>
<h2> page in html</h2>
<h1>this is heading</h1>
<iframe width="100%" height="500px" name="dis_a"></iframe>
<!--uses given width and height with name. This name is used as target-->
<a href="heading.html" target="dis_a">click for heading</a>
<!--we display the content of heading.html to that frame which has name "dis_a"-->
</body>
</html>
