CEPRT 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 "Structure for specification of printed report (PRINT)" 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_CEPRT TYPE CEPRT.
The CEPRT table consists of various fields, each holding specific information or linking keys about Structure for specification of printed report (PRINT) data available in SAP. These include GWAHL (Generated sequence of characteristics/key figures), ZWERT (Line in ZWERT), SPARA (Line in SPARA), AWAHL (Column parameter for when saving)... 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. .