Quantum mechanics itself supplies the basic ingredients of this larger reality:

As it seems appropriate to call "Reality" that which alone is real by itself (and, by itself, ineffable), so it seems appropriate to call "Force" that by which Reality manifests itself.

What can we say about the dynamic link between Reality and the world?

To begin with, manifestion is not a temporal process. The Force that realizes (makes real) both space and time, acts "out of" a spaceless and timeless origin. If Reality (itself) can at all be located relative to the spatiotemporal whole, it is not (only) situated at the beginning of time but (also) coextensive with the spatiotemporal whole. From our temporal perspective, manifestation is an ongoing process, in the sense that the Force proceeds continually from an ever-present origin. Seen from the Origin, manifestation is a single act by which the spatiotemporal whole comes into being all at once in an atemporal sense (rather than the temporal sense of "at the same time").

This part of the larger story is corroborated by both quantum mechanics and the special theory of relativity.

Special relativity, the other indispensable ingredient of contemporary physics, tells us that for any two events A,B there exist two reference frames F_A and F_B and a third event C such that C is simultaneous with A in F_A and simultaneous with B in F_B. This "simultaneity by proxy" of A with B forces us to conceive of the parts of the spatiotemporal whole as objectively coexistent and as equally real.

Objective coexistence is not the same as simultaneous existence. Owing to the relativity of simultaneity, "simultaneous existence" is not an objective concept. Since simultaneity depends on the reference frame, it belongs to the language in which we describe a physical situation rather than to the situation itself.

Quantum mechanics, in its turn, tells us that the spatiotemporal differentiation of the world doesn't go all the way down, and that, therefore, an adequate model of the physical world cannot be constructed from the bottom up. The world's temporal aspect, in particular, cannot be a succession of instantaneous states. (In an incompletely differentiated world there is no such thing as an instantaneous state.) The undifferentiated spatiotemporal whole therefore exists in an anterior relationship to its (incomplete) differentiation.