1)
What is the meaning of "Lecha"?
1.
Radak: This is like Lechah (with a Hei at the end, i.e. go). We find like this - "Lecha Nisra'eh Panim" (Divrei ha'Yamim 2:25:17). Malbim - this occurs three places in Tanach. Minchas Shai - the third is "Lecha Na Iti" (Bamidbar 23:13).
2)
What is the meaning of "v'Lanu"?
1.
Rashi: It is like v'Lanenu 1 (we will lodge. There is a Dagesh (dot) in the Nun, for it is in place of two 'Nun's.
1
Radak: It should have said v'Lanenu, just like v'Kamnu.
3)
Why did he give two possibilities (Giv'ah or Ramah)?
1.
Malbim: He did not know which is closer.
