Numbers 18:7-8

Aaron : a son of Amram; brother of Moses,son of Amram (Kohath Levi); patriarch of Israel's priests,the clan or priestly line founded by Aaron

Israel : a citizen of Israel.,a member of the nation of Israel

Deuteronomy 33:8-10

Israel : a citizen of Israel.,a member of the nation of Israel

Jacob : the second so of a pair of twins born to Isaac and Rebeccaa; ancestor of the 12 tribes of Israel,the nation of Israel,a person, male,son of Isaac; Israel the man and nation

Levi : members of the tribe of Levi

Massah : an encampment
(28° 43´, 33° 50´)

Meribah : a place at Kadesh-Barnea where Moses struck the rock for water
(30° 41´, 34° 29´); (28° 43´, 33° 50´); (30° 41´, 34° 29´)

Thummim : a system (or device) to obtain divine guidance (IBD)

Urim : a device to discern divine guidance, used with the "Thummim"