They have many producers each sell a differentiated product with some pricing power in a consolidated or fragmented market.

They have just one producer who sells an undifferentiated product with some pricing power in a consolidated or fragmented market.

They have many producers which sell an undifferentiated product with a little or no pricing power in a fragmented market.

They have a couple of producers which sell a differentiated or an undifferentiated product with some pricing power in a consolidated market.

They have an understanding of markets and explaining the behaviors in them.