How were the social classes of sumer organized ? ?

The social classes of Sumer were organized as how ppl in those times considered the importance of each group of ppl with different jobs. This is the social status of Sumer from highest to lowest:
-Kings-
-Priests and scribes-
-Traders, Craftspeople, Merchants-
-Slaves-

If u have any more questions, feel free to ask me! Im studying Sumerian Civilizations

There’s no map so we can’t you