grain of sand on a beach, sliver of a beach on the edge of an ocean, bunch of oceans on a world, worlds spinning in a solar system, solar systems revolving around a galaxy's core, countless galaxies spread throughout a universe, one of many in an unknowable multitude of universes making a multiverse...who knows what is out there...and what's really that wrong with saying a whole world was made into a "floor" of a "tower", made part some extra dimensional construct? doesn't need to be some ToG tie-in