<http://schema.org/description>
"Last night, I covered at Search Engine Land a video Google's head of search spam, Matt Cutts, posted about meta descriptions.Matt said that he doesn't add meta descriptions to his own blog posts on hi"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-meta-descriptions-17695.html>