1)
What is the meaning of "le'Fe'as Negev-Teimanah"?
1.
Rashi (in Shevu'os, 2b): In means 'at the end of the south side'. 1
1
Rashi here at the end of the Pasuk translates "la'Pe'ah ha'Echas" as 'for one side'. It seems that the exact translation of the word depends on the context.
2)
What is the definition of "Kela'im"?
1.
Rashi (citing Targum Onkelos) and Rashbam #1 (citing Menachem): They were curtains (with holes, like sails of a ship - Rashi).
2.
Rashbam #2 (Ibid.): They were curtains made of twined linen with pictures engraved on them. 1
1
As in Melachim 1, 6:32 & 6:18 (Rashbam).
