<Ul> <Li> Data Structure </Li> </Ul> <Li> Inheritance (object - oriented programming) </Li> <Ul> <Li> Levels of consciousness <Ul> <Li> Chakras </Li> <Li> Great chain of being </Li> <Li> G.I. Gurdjieff </Li> <Li> Timothy Leary </Li> </Ul> </Li> <Li> Levels of spiritual development <Ul> <Li> In Theravada Buddhism </Li> <Li> In Mahayana Buddhism </Li> <Li> In Theosophy </Li> </Ul> </Li> <Li> Ages in the evolution of society <Ul> <Li> In Astrology </Li> <Li> In Hellenism (the Ancient Greek Religion) </Li> <Li> Dispensations in Protestantism </Li> <Li> Dispensations in Mormonism </Li> </Ul> </Li> <Li> Degrees of communion between various Christian churches </Li> <Li> UFO religions <Ul> <Li> Command hierarchy of the Ashtar Galactic Command flying saucer fleet </Li> </Ul> </Li> <Li> Deities <Ul> <Li> In Japanese Buddhism </Li> <Li> In Theosophy </Li> </Ul> </Li> <Li> Angels <Ul> <Li> In Christianity </Li> <Li> In Islam </Li> <Li> In Judaism <Ul> <Li> Kabbalistic </Li> </Ul> </Li> <Li> In Zoroastrianism </Li> </Ul> </Li> <Li> Devils and Demons <Ul> <Li> Devils </Li> <Li> Demons </Li> </Ul> </Li> <Li> Hells <Ul> <Li> In Catholicism (Nine Levels of Hell) </Li> <Li> In Buddhism (Sixteen Levels of Hell) </Li> </Ul> </Li> <Li> Religions in society </Li> <Li> (organizational hierarchies are listed under "Power - or authority - based") </Li> </Ul> <Li> Levels of consciousness <Ul> <Li> Chakras </Li> <Li> Great chain of being </Li> <Li> G.I. Gurdjieff </Li> <Li> Timothy Leary </Li> </Ul> </Li>

Well organized systems have clear distinctions between the levels of the system is hierarchy