Wilderness of Beersheba
In Genesis 21:14, this signifies the state of wandering in the beginning, of people who have been introduced into the doctrinals of faith. (Arcana Coelestia 2679)
Exodus 14:19-21
19
The angel of God, who went before the camp of Israel, moved and went behind them; and the pillar of cloud moved from before them, and stood behind them.
20
It came between the camp of Egypt and the camp of Israel; and there was the cloud and the darkness, yet gave it light by night: and the one didn't come near the other all the night.
21
Moses stretched out his hand over the sea, and Yahweh caused the sea to go back by a strong east wind all the night, and made the sea dry land, and the waters were divided.
