'Lower' in the Bible

She answered him, “Give me a blessing. Since you have given me land in the Negev, give me springs of water also.” So Caleb gave her both the upper and lower springs.

And the people take the provision in their hand, and their trumpets, and every man of Israel he hath sent away, each to his tents; and on the three hundred men he hath kept hold, and the camp of Midian hath been by him at the lower part of the valley.