1)
Why does it mention their tents?
1.
Radak: They dwelled in tents and raised flocks. And so it says "Kol Tzon Kedar Yikavtzu Lach" (Yeshayah 60:7).
2.
Malbim: Tent dwellers, when they sense that the enemy is coming, they travel with their tents to another place. The verse asks why Bnei Kedem did not take all their possessions and go. Their camels could have carried it 1 !
1
The simple meaning of the verse is that Nebuchadnetzar, who was mentioned in verse 28, will take all these. All other Meforshim imply like this. (PF)
2)
Who will call?
1.
Malbim: Bnei Kedem should have called and announced, so all would relocate.
3)
What is "Magur"?
