The <header> element represents a container for introductory content or a set of navigational links.
A <header> element typically contains:
You can have several <header> elements in one document.
Note: A <header> tag cannot be placed within a <footer>, <address> or another <header> element.
<article>
<header>
<h1>Most important heading here</h1>
<h3>Less important heading here</h3>
<p>Some additional information here</p>
</header>
<p>Lorem Ipsum dolor set amet....</p>
</article>