M1: Supervisor M2: Manager M3: Director Management positions start from M1 and the highest position is M8, in order of Supervisor, Manager, Director, Vice President, Executive President/Vice Chairman, Chairman.

In each sequence, it will be divided into different levels, such as M1, M2, M3, M4 and M5, if simply associated, you can understand the M1 as is the supervisor level, M2 as is the manager level, M3 as is the director level, M4 as is the vice president level, M5 as is the general manager.