'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)

596. And his face as the sun, signifies the Lord's Divine love, from which is all Divine truth, which in heaven and in the church is the Word. This is evident from the signification of "face," as being in reference to the Lord the Divine love, the Divine mercy, and every good (of which above, n. 74, 412); and from the signification of the "sun," which also means in reference to the Lord the Divine love (of which above, n. 401, 525, 527); and as all light in the angelic heaven proceeds from the Lord, as a sun, and light there is Divine truth, it means also from which is all Divine truth; and because the Word includes all Divine truth, and the same Word that is in the world is also in heaven, and because "the strong angel coming down out of heaven" means the Lord as to the Word (as may be seen above, n. 593, therefore it is said, the Divine truth which in heaven and in the church is the Word. (That the same Word that is in the world is also in heaven, may be seen in the work on Heaven and Hell, n. 259, 261, 303-310.)