WADI
In ar. means a channel that only carries water during the rainy season, or torrent (Heb. “nahal”).
Generally these are deep ravines or ravines, although there are others with gentle slopes and wide valleys.
They generally have a shallow table of water that favors the maintenance of vegetation at the bottom, and makes it possible to dig wells; In this case, what is known as an oasis appears, a point of vegetation in the middle of the aridity, with palm trees and other trees that offer shade, an obligatory place for caravans to supply water and rest; They were essential on the routes of the past, constituting the support points of the desert communications network.