Name	Notation	Description	Types	Status
Environmental Data Categorisation	DataCategories	Met Office Environmental Data Categorisation Schemes and Term...	concept scheme , Register , Container	stable
Link Relations	LinkRelations	Met Office Link Relation terms and definitions, extending IAN...	concept scheme , Container , Register	stable
Government Security Classification Scheme	SecurityClassifications	Government Security Classification Scheme and Terminology Def...	concept scheme , Register , Container	stable
Aviation	aviation	Published vocabularies for use in Aviation Data	Register , Container	experimental
GRidded Binary Data	grib	WMO GRidded Binary Data Local references	Container , Register	stable
MetDMS	metdms	Met Office Discovery Metadata Standard terms and definitions.	Container , Register , concept scheme	stable
Statistical Process	statistical-process	Vocabularies for the definition of statistical processes.	Register , Container	experimental
system register	system	Registers which control system operation	Container , Register	stable
Unified Model	um	Met Office Unified Model References	Register , Container	stable