4. <article>
Represents independent, self-contained content, such as an article or blog post.
<article><h2>Post</h2><p>Content...</p></article>
Defines the header of a page or section, usually with a logo and navigation.
<header>Welcome to Web4U</header>
Defines a thematic section within the document.
<section><h2>News</h2></section>
Represents independent, self-contained content, such as an article or blog post.
<article><h2>Post</h2><p>Content...</p></article>