BAPI_RANGESBSTNK is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "BAPI Selection structure: Customer Purchase Order Number" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_BAPI_RANGESBSTNK TYPE BAPI_RANGESBSTNK.
The BAPI_RANGESBSTNK table consists of various fields, each holding specific information or linking keys about BAPI Selection structure: Customer Purchase Order Number data available in SAP. These include OPTION (Selection operator OPTION for range tables), LOW (Customer purchase order number), HIGH (Customer purchase order number)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .