'Extremity' in the Bible

"The eastern extremity is to proceed from between Hauran and Damascus, then between Gilead, and then through the land of Israel the Jordan River. You are to measure from the northern border to the Dead Sea. This is to be the eastern perimeter.

"You are to determine the southern extremity running from Tamar as far as the waters of Meribath-kadesh, then from there proceeding to the Wadi, and then to the Mediterranean Sea. This is to be the southern perimeter.

"These are the names of the tribes from the northernmost extremity westward along the road from Hethlon to the entrance of Hamath, Hazar-enan (a border of Damascus) northward to the coast of Hamath. The perimeter is to run east-to-west; the tribe of Dan with one portion;