08afeb41_Model___UNECE_Statistics_Wikis__Object
[Group] Concepts [Definition] Set of Categories, irrespective of any relations among them [Explanatory Text] Here are 3 examples - 1) Sex categories (enumerated CD): male, female, other 2) Non-negative whole number (described CD) 3) Endowment categories (enumerated CD) $0-$99,999; $100,000-$999,999; $1,000,000 and above [Object] 
Conceptual Domain
Annex C Glossary - Generic Statistical Information Model - UNECE Statistics Wikis