'Wilderness' signifies something with little life in it, as described in the internal sense in Luke 1:80 'Wilderness' signifies somewhere there is no good because there is no truth. 'Wilderness,' as in Jeremiah 23:10, signifies the Word when it is adulterated.

(Odkazy: Arcana Coelestia 1927)

7215. 'And Moses spoke in this way to the children of Israel' means an exhortation from the law of God to those who belonged to the Lord's spiritual kingdom. This is clear from the meaning of 'speaking' as an exhortation, for he spoke to them what Jehovah had commanded him; from the representation of 'Moses' as the law of God, dealt with in 6723, 6752; and from the representation of 'the children of Israel' as the Lord's spiritual kingdom, dealt with in 6426, 6637.