'Front' in the Bible

And Saul smiteth Amalek from Havilah -- thy going in to Shur, which is on the front of Egypt,

And Saul taketh three thousand chosen men out of all Israel, and goeth to seek David and his men, on the front of the rocks of the wild goats,

And the Ziphites come in unto Saul, at Gibeah, saying, 'Is not David hiding himself in the height of Hachilah, on the front of the desert?'

And Saul encampeth in the height of Hachilah, which is on the front of the desert, by the way, and David is abiding in the wilderness, and he seeth that Saul hath come after him in to the wilderness;