[1]
機能facilities 機能とは要素、属性、それに要素や属性に関連付けられた意味です。
仕様書:
[2] XHTML™ 2.0 - Terms and Definitions (2010-12-17 00:44:37 +09:00 版) http://www.w3.org/TR/2010/NOTE-xhtml2-20101216/terms.html#facilities
facilitiesFacilities are elements, attributes, and the semantics associated with those elements and attributes.
facilities
Facilities are elements, attributes, and the semantics associated with those elements and attributes.