This Technical Specification is applicable to international communication in the field of geographic information. This Technical Specification provides the guidelines for collection and maintenance of terminology in the field of geographic information. It establishes criteria for selection of concepts to be included in other standards concerning geographic information@ which are developed by ISO/TC 211@ specifies the structure of the terminological record@ and describes the principles for definition writing. This Technical Specification also lays down the guidelines for maintenance of a Terminology Repository (see Annex A).