Originally posted by Astner
You can call it whatever you want, but I'm going to refer to it the way the comics do.
The interplay of Night and Time made all versions of Creation possible
Night and Time are the parents of the Endless, and it is their interplay that makes all versions of Creation possible. This is one of many instances in which knowledge of greater context is needed to accurately interpret the text. In the context of this story, as well as in all of Gaiman's work and most Vertigo titles, "universe" is used for its less physics-based meaning: the totality of all Creation.
1.
This is shown by Desire's statement about the afterlife, eternity, and reality as he sees it, will be done
2.
the location of the City of the Stars, City of the Stars exists in the far realms, above the real
Now we must examine exactly how "endless" the Endless are. It is displayed more than once that they are explicitly not bound to one Creation. When we see Dream, or Destiny, or Death, we are only looking at one point of view. Furthermore, Destiny is drawn transcending Creation on the Multiverse Map.
It is not possible to escape Death even by escaping the death of your entire Creation into the Overvoid. More than that, Death operates in all Creations within the Greater Omniverse
For example, the same Death naturally appeared in Lucifer's Creation
There is nothing that exists that is not in Destiny's book
To Destiny, all stories are simply illusions