BAPIBUS1186_HEAD 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 Transfer Structure for Key Fields" 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_BAPIBUS1186_HEAD TYPE BAPIBUS1186_HEAD.
The BAPIBUS1186_HEAD table consists of various fields, each holding specific information or linking keys about BAPI Transfer Structure for Key Fields data available in SAP. These include CARD_NUMBER (Payment cards: Card 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. .