open controlled vocabulary
Controlled vocabulary reference and/or values
ms:language (only languageId according to the IETF BCP47 guidelines):
The language(s) used to describe the contents of the resource (the "metalanguage") according to IETF BCP47 guidelines (only languageId).
Please, enter the language that best fits the language used to describe the resource according to the IETF BCP47 guidelines (only languageId); not to be confused with "language" which is used for the language of the contents of the resource.
For instance, a lexicon of English with definitions in English and French must be encoded with "language" "English" and 2 "metalanguage" values for "English" and "French".
The element can be repeated for multiple languages.