COMT_DIFFKEY_BSP_CNTRL 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 "Control of Screen Elementes in Generation of Diff. Key" 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_COMT_DIFFKEY_BSP_CNTRL TYPE COMT_DIFFKEY_BSP_CNTRL.
The COMT_DIFFKEY_BSP_CNTRL table consists of various fields, each holding specific information or linking keys about Control of Screen Elementes in Generation of Diff. Key data available in SAP. These include ANCHOR_ELEMENTS (Logical Variable), APPL_ELEMENTS (Logical Variable)... 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. .