34f62028_Model___UNECE_Statistics_Wikis__Explanatory_Text
[Object] Attribute Component [Group] Structures [Definition] The role given to a Represented Variable in the context of a Data Structure. The role is to hold the pertinent information in addition to the identifiers and measures for a particular unit in a Data Set. [Explanatory Text] 
For example the publication status of an observation (e.g. provisional, final, revised), or information specific to the use of an Identifier in the context of a Data Set.
Annex C Glossary - Generic Statistical Information Model - UNECE Statistics Wikis
Explanatory Text