Answer: There is Malchut of the world of Infinity. Besides it, there is nothing else.
Once it was full of the Light of Infinity. Then a restriction was placed on, and it assumed a different form once the Light of Infinity left it. Then the same Malchut manifested itself in the form of worlds and souls, meaning its parts. Some of them pertain to external orbits, and others to internal ones.
Similarly, in our world the still, vegetative, and animate levels of nature represent the external part, and the human or speaking level represents the internal one. This determines spiritual development as well: Man is tasked with the intention, while the other parts of nature only carry out actions. Ultimately, Malchut of Infinity arrives at its final state: the end of correction.
Thus, there are many states, but no matter what they may be, they are all permeated with one desire and one Light. What changes, then? The awareness, the intention over the desire. In other words, changes occur only with respect to the creature’s attitude toward the Creator or desire for the Light. Nothing changes except for my attitude, understanding, perception—my acquaintance with the world I live in.
From the 4th part of the Daily Kabbalah Lesson 8/26/2011, “One Commandment”