Millo: Millo is said to have been a deep valley, between the ancient city of Jebus and the city of David on mount Zion. This Solomon filled up, and built upon; and it became a fortified place, and a place for public assemblies. 1Ki 9:24, 1Ki 11:27, Jdg 9:6, Jdg 9:20, 2Sa 5:9, 2Ki 12:20
the wall: Psa 51:18
Hazor: Probably the city Hazor in Naphtali, and the famous capital of Jabin, situated in the lake Merom or Semechon, and placed by Josephus south of Tyre, near Ptolemais. Jos 11:1, Jos 19:36, Jdg 4:2, 2Ki 15:29