Elihu speaks of living without trouble as if it were being in a wide-open space where there were no hardships. (See: [[rc://en/ta/man/jit/figs-metaphor]])
Meat that had plenty of fat on it was a sign of prosperity because the animals were healthy and well-fed. Alternate translation: "the very best food" (See: [[rc://en/ta/man/jit/figs-idiom]])