Metainformation Database – an overview and full wording of classifications, nomenclatures, and indicators used in the information system of the CZSO. The database enables to search, view relations, download documents;

Classifications - the statistical classification is a hierarchical arrangement of certain economic, social or demographic phenomena or processes;

Nomenclatures - the nomenclature is an arranged list of codes and meanings assigned to them. Nomenclatures are part of the statistical information system and are updated regularly.