I don't think the question is asking about what Isaiah Berlin's essay means. I think he's simply asking what Archilochus meant.
The fox is commonly regarded as a cunning figure in literature. He is the trickster in many fables (Aesop, Uncle Remus, Pinocchio etc). He is clever and knows many things.
The hedgehog doesn't have any such reputation. He has one ...
Single or Multiple Manuscrips?
The editor, Demetrius Chalkokondyles (Demetrius Damilas was the printer), consulted multiple manuscripts.
This is how I've found it:
Chalkokondyles's editio princeps of Homer's Iliad and Odyssey has two prefaces: One, in Latin, which was written by Bernardus Nerlius, and second, in Greek, which was written by the editor ...