Both. If you View Source of the page web page you site, you'll see there's really RDF behind it. The long string you quote is a Comment that's associated with each concept. But there are also Label and PrettyString clauses that provide a primary string associated with this concept ("game") and other strings (here, only "games"), but see
http://sw.opencyc.org/2009/04/07/concept/en/Dog for some better examples of alternative strings.