Is established with a clear chain of command in which every individual has well-defined superiors and subordinates?

This describes a hierarchy. A hierarchy is a type of bureaucracy that describes the chain of command of people working within a government entity. Here, a hierarchy describes a level system in which there is a low level (subordinates) and it gradually moves up until you reach the high level (superiors). In this bureaucracy there is a definite command chain that can be followed.