Content groups
Articles identify content groupings on a page. Each article has an ID associated with it and begins with a heading element <h2>.
Articles are best used on pages with several pieces of content rather than short concise web pages. It affords some visual separation of content blocks more beneficial on pages with complex content.
Content heading
All related content goes here.
<article id="example">
<h2>Content heading</h2>
<p>All related content goes here.</p>
</article>