<http://schema.org/description>
"Google is now showing what they call \"sub-sitelinks\" for some searchers in the search results.  Sitelinks are the links you find under a search result that show links to popular pages within the site."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-sub-sitelinks-16650.html>