<section>

is a logical container of the page or article. Sections can be used to divide up content within an article. For example, a homepage could have a section for introducing the company, another for news items, and still another for contact information

<article>
    <h1>Welcome</h1>
    <section>
        <h1>Heading</h1>
        <p>content or image</p>
    </section>
</article>