What is the meaning of "Mezaveinu Mele'im"?
Rashi: The corners of our storehouses are full of good.
Radak: Every corner of the house has a species of grain. Due to the abundance, they mix with each other.
What is the meaning of "Mefikim mi'Zan El Zan"?
Rashi: They have enough food from one year to the next. "Zan" is the time of gathering food of the year.
Radak #1: "Mefikim" is going out, like "va'Yafek Ratzon me'Hashem" (Mishlei 8:35), just that is Po'el Yotzei (it makes something else go out), and here is Po'el Omed (it itself goes out). "Zan" is a species. The Targum of "l'Mino" (Bereishis 1:11) is 'li'Znohi'.
Radak #2: Also here, "Mefikim" is Po'el Yotzei. People of the house take out one species to another, due to the abundance; the house cannot contain them separately.
Malbim: The food feeds the household and the poor. It is not like "Osher
What are "Ma'alifos Merubavos"?
Rashi: They make thousands and 10,000's of Peros (offspring). Radak - due to this, "Chutzoseinu" is full of them.
