What is the meaning of "Hipalti
Rashi: I cast a lottery to fix which Shevatim inherit the remaining land to be conquered.
Malbim: I caused everyone to recognize his inheritance.
What is the meaning of "ha'Yam ha'Gadol"?
Radak: It means "Ad ha'Yam ha'Gadol", which is your [western] border.
Why did he mention the Yarden and the Yam ha'Gadol?
Malbim: He conquered the Kena'ani in the southeast, by the Yarden, but not those by the Yam ha'Gadol.