<http://schema.org/description>
"@ArianaWolf spotted Google placing those knowledge graph overlays we see often in the organic search results, in the AdWords ads.Here is are two pictures of AdWords ads with the overlay drop down opti"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-adwords-knowledge-overlays-18624.html>