What does Genesis 21:14 mean?

Early the next morning, Abraham got up, packed some food and water, and gave them to Hagar. He put the supplies on her shoulders, gave her the boy, and sent them away. Hagar wandered in the desert near Beersheba. Genesis 21:14 - Modern Text Bible

(Abraham sends Hagar and Ishmael away with basic provisions, and they end up wandering in the wilderness.)