A great metaphor

 The Apple metaphor:

An excellent metaphor for the universe is an apple. If we cut an apple in half we see the skin, which represents the physical Universe of matter, the flesh, which is the greater Universe of energy including Etheric, Astral and Mental realms, and finally the core, The Source, The First Cause, God.

We are focused within the skin of the apple at the level of vibration in which we are currently focused...