TOOL_USER_SCR 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 "Additional Insurance Account Assignment" 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_TOOL_USER_SCR TYPE TOOL_USER_SCR.
The TOOL_USER_SCR table consists of various fields, each holding specific information or linking keys about Additional Insurance Account Assignment data available in SAP. These include FIELDNAME (Field Name), FIELDVALUE (Text Field), OUTPUTLEN (Output Length), CHECKTABLE (Check table name of the foreign key)... 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. .