'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)

10250. 'And Jehovah spoke to Moses, saying' means further perception as a result of enlightenment from the Lord through the Word. This is clear from the explanation above in 10215, where the same words occur. The reason why further perception is meant is that when something new is being revealed and decreed, those words are used, see 10234.