Numbers 21:14

As the Moabites afterwards crossed the Arnon and took possession of part of the land of the Amorites, this ancient fragment of poetry from the 'book of the Wars of the Lord' indicates the original boundary of Moab. The 'book of the Wars of the Lord,' which is mentioned only here in the OT., was probably a collection of war songs, illustrating what Jehovah did for His people by the hand of Moses. The other poetical fragments in this chapter (Numbers 21:17; Numbers 21:27) are, in all probability, from the same collection. What he did in the Red Sea] RV 'Vaheb in Suphah.' The words are names of localities now unknown. Some verb is to be supplied before them, such as 'they subdued.'

16-20. Passage through the land of the Amorites from the Arnon to Pisgah at the N. end of the Red Sea. During this march the people seem to have suffered from want of water. The 'Song of the Well' celebrates the finding of water at Beer. 'Beer' means 'well.'