CIF_FFFCUS 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 "CIF: Customer Enhancement Struc. for Interchangeable Parts" 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_CIF_FFFCUS TYPE CIF_FFFCUS.
The CIF_FFFCUS table consists of various fields, each holding specific information or linking keys about CIF: Customer Enhancement Struc. for Interchangeable Parts data available in SAP. These include MRPGR (Parts Interchangeability MPN-MRP Set)... 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. .