What does Numbers 11:31 mean?

Then a strong wind from the Lord blew in quail from the sea and dropped them all around the camp. The birds covered the ground for miles in every direction, piled up about three feet deep. Numbers 11:31 - Modern Text Bible

(God responded to the people's craving for meat by sending a huge number of quail, so many that they were everywhere, making it impossible to ignore the abundance.)