This part of JT/T 697 specifies the principles and classification of waterway information basic data elements, waterway information basic data elements and data element value range code sets. This part applies to the collection, exchange and sharing of waterway data involved in the establishment of waterway and navigation safety management databases in the transportation industry and related information systems. Other information systems or documents involving waterway-related information data items that need to reference standards are also applicable. You can refer to this section for execution.