RMXTS_PP_FNAME_TRANS 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 "TMS-DIA: Link Between Characteristic and Column" 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_RMXTS_PP_FNAME_TRANS TYPE RMXTS_PP_FNAME_TRANS.
The RMXTS_PP_FNAME_TRANS table consists of various fields, each holding specific information or linking keys about TMS-DIA: Link Between Characteristic and Column data available in SAP. These include FIELDNAME (ALV control: Field name of internal table field)... 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. .