 For other grades many departments overlay their own grading structure, however all these structures must map across to the central government structure as shown below.All current grades are marked in and historical grade names are shown "italics".NB – XXX is standing in for

The "lingua franca" is to describe civil servants, and in particular their grades, predominantly through a lens of administrative activity (as in the current structure of the table above), but in practice the civil service has, and always had, a number of subdivisions, with the Historic Grades having an additional designator (usually omitted for senior managers, but included from middle and junior managers) as shown as "xxx", with the major groupings being