UPX_YSD_VARIABLE 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 "UPX: Structure for Variable Maintenance Screen" 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_UPX_YSD_VARIABLE TYPE UPX_YSD_VARIABLE.
The UPX_YSD_VARIABLE table consists of various fields, each holding specific information or linking keys about UPX: Structure for Variable Maintenance Screen data available in SAP. These include TEXT (Variable - Description), ICON (Carrier field for icons), SELECTED (Checkbox)... 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. .