'Edom' or 'Idumea,' as in Isaiah 34:5, signifies people who are in evil and falsities derived there.

(Referenties: The Inner Meaning of the Prophets and Psalms 34)

'Northern' or 'what cometh from the North,' as in Jeremiah 15:12, signifies the sensory and natural. The natural, in respect to what is spiritual and celestial, is like darkness, like the north is to the south as far as light.

(Referenties: Arcana Coelestia 426)