L002TAB is an SAP Structure so does not store data like a database table does but can be used to process "Int. lang. table length 256" 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_L002TAB TYPE L002TAB .
Below is the documentation avaialable and full details of the fields which make up this Structure.
|Data Type||length (Decimals)||Check table||Description||Conversion Routine|
|DATA||LC256||CHAR||256||Field of Length 256 for Language Import|