'Desert' in the Bible

In the Sinai desert, the LORD spoke to Moses inside the Tent of Meeting on the first day of the second month of the second year after they had left the land of Egypt. He said,

just as the LORD had commanded Moses. He numbered them in the Sinai desert.

and from Bamoth to the valley of Moab where their fields are, and from there to the top of Mount Pisgah, that looks down toward the open desert.