Firmament
The firmament of heaven represents mutual love. The firmament, as in Genesis 1, signifies the internal man.
(References: 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.
(References: Arcana Coelestia 018, Genesis 1)
