<http://schema.org/description>
"Being actively involved in many SEM/SEO forums, I see all kinds of questions, from very basic to very advanced.  Often, if people really want to learn about a subject, a book can be a great place to s"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/001875.html>