1)
Why does it say "Ta'ah Levavi"?
1.
Malbim: The lookout's life force ceased.
2)
What are "Palatzos"?
1.
Rashi: It is panic.
2.
Radak: It is trembling - "Da l'Da Nakshan" (Daniel 5:6).
3.
Malbim: It is a convulsion. All the sinews trembled, and the entire body and its blood vessels ceased (functioning). The lookout (refer to 21:1:4:4*) tells what he was told, that the traitor calls to Paras to come upon Bavel.
3)
What is the meaning of "Es Neshef Chishki"?
1.
Rashi: The night that I desire for Simchah and a drinking party. Sefer Yosifun says that he rejoiced over defeating Paras' army. That night turned to terror for me - "Belshatzar Malka Avad Lechem Rav