<http://schema.org/description>
"Sadly, it is not uncommon to hear of a site that has recently been hacked.  Google frequently has to deal with sites that get hacked and code gets injected into the site.  If that happens, Google some"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/016096.html>