Firmament and waters
In Genesis 1:6, the water above represents knowledge in the internal man, and the firmament beneath relates to external, materially-oriented knowledge.
(Посилання: Arcana Coelestia 24)
Face of the deep
The face of the deep (Genesis 1:2) signifies the lust of the unregenerate man, and the falsities that originate from it.
(Посилання: Arcana Coelestia 018, Genesis 1)