This standard specifies the types of data involved in various systems of terminology information processing (computer environment or non-computer environment; monolingual or multilingual; single professional field, multi-specialty field or interdisciplinary field; single-purpose or multi-purpose, etc.) Object name, content and expression. This standard applies to the research, development, maintenance and management of terminology databases, and is especially important for cross-system information retrieval and data exchange. It can also be used for reference in other work involving terminology information processing