The Arabah: see 1.1.

The sea of the Arabah: the Dead Sea (see 3.17).

Under the slopes of Pisgah: Good News Translation gives an understandable rendering of the text. Bible en français courant has “the region that includes the eastern part of the Jordan Valley, as far as the Dead Sea, at the foot of Mount Pisgah.” See map, page xii.

Quoted with permission from Bratcher, Robert G. and Hatton, Howard A. A Handbook on Deuteronomy. (UBS Helps for Translators). New York: UBS, 2000. For this and other handbooks for translators see here .