08afeb41_Model___UNECE_Statistics_Wikis__Object
[Group] Concepts [Definition] A list of Categories where each Category has a predefined Code assigned to it. [Explanatory Text] A kind of Node Set for which the Category contained in each Node has a Code assigned as a Designation. For example: 1 - Male 2 - Female [Object] 
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Annex C Glossary - Generic Statistical Information Model - UNECE Statistics Wikis