1)
What are "Adaneha" (its sockets)?
1.
Ibn Ezra: The mountains.
2.
Malbim: The verse depicts the world like a tent whose boards are fixed in sockets. The land stands on nothingness! It is fixed in Hashem's desire.
2)
Where is the cornerstone of the world?
1.
Rashi: It is in the middle of the sea. From there, the entire world was founded.
2.
Ibn Ezra: It is the point (the center of the world).
3.
Malbim: The verse depicts that in the middle of the land is a rock that draws everything to the center.


