title: Difference between <header> and <div id="header">
body: <p>I wanted to start using HTML 5 semantics for a header on my site, however when I looked into some documentation, I wasn't necessary sure that the <code>&lt;header&gt;</code> tag could be used for my site header which would occupy the <code>&lt;nav&gt;</code> property. Is that what header could be used for instead of the classical <code>&lt;div id='header'&gt;</code>?</p>