Alpha Numeric System Of Grading Employees

Hi All
I was entering the empoyees in the system I mean new employees I saw the alpha numeric method of grading employees But I didnt know which grade for whom when I asked the payroll accountant he said no you simplu enter as they all are too busy
But I need to know properly before entering as which grade who ??
So can anyone please guide me properly ...just throw some light into it ...
Thanks and regards
Liz

Hi Liz can you give us the Levels and Grading systems used For Example Level1 (Junior Level )etc like that can you send me the reply soon waiting for your reply.