GRFN_S_REP_OBJECT_TEXT 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 "Language dependent object texts" 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_GRFN_S_REP_OBJECT_TEXT TYPE GRFN_S_REP_OBJECT_TEXT.
The GRFN_S_REP_OBJECT_TEXT table consists of various fields, each holding specific information or linking keys about Language dependent object texts data available in SAP. These include FIELD_ID (Report: Field ID), TEXT (Long text for DataMart)... 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. .