'Separate' in the Bible

Then God said, “Let there be lights in the expanse of the sky to separate the day from the night. They will serve as signs for festivals and for days and years.

to dominate the day and the night, and to separate light from darkness. And God saw that it was good.

Isn’t the whole land before you? Separate from me: if you go to the left, I will go to the right; if you go to the right, I will go to the left.”

He entrusted them to his slaves as separate herds and said to them, “Go on ahead of me, and leave some distance between the herds.”