there are different schedules of drugs, means classes. AAS are a schedule 3 drug, meaning they are in the 3rd class. each schedule has varying degrees of punishment if caught with them. ideally they would have the most dangerous drugs as schedule 1 and the least dangerous as schedule 5 (i think thts the "lowest"). basically its just a way of dividing up punishments for various drugs so someone caught with meth will get a harsher sentence than someone caught with weed.