'Deserts' in the Bible

They did not thirst when He led them through the deserts.He made the waters flow out of the rock for them;He split the rock and the waters flowed.

Saying to those who are bound and captured, ‘Go forth,’And to those who are in [spiritual] darkness, ‘Show yourselves [come into the light of the Savior].’They will feed along the roads [on which they travel],And their pastures will be on all the bare heights.