<http://schema.org/description>
"Middle of December we reported that Yahoo! said they would be adding support for a no Yahoo Directory tag, similar to the NOODP tag, by the end of this month.  Tim Mayer of Yahoo! has posted an update"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/007341.html>