Why does it say that they raised their wings and elevated above the ground?
Radak: This was when they left. Initially, he saw them to the right of the Bayis.
Why does it say "va'Ya'amod" (singular)?
Radak: This refers to the Klal. It is as if it says va'Ya'amodu.
What is "Pesach Sha'ar Beis Hashem"?
Rashi: It is Pesach ha'Heichal.
Radak: They were outside the opening. They were not on the ground, rather, elevated above. They stopped there due to the men whose backsides were towards the Heichal. It is as if they pressed the honor to leave and elevate above the ground.
What is "ha'Kadmoni"?
Rashi: It is in the east. This was the second travel, from the threshold of Kodesh ha'Kodoshim to the Azarah.
What is the meaning of "Aleihem mil'Ma'alah"?
Radak: "Aleihem" on the Keruvim. It says "mil'Ma'alah", for he saw the honor on the Raki'a over the heads of the Chayos called Keruvim.