They always had a top boss and beneath him there was the whole known hirearchy boss underboss capos. The capos in Chicago controlled larger territories than the usual and they also acted as overseers in different territories or cities. Some of them werent even capos but instead simple overseers of certain areas. After the 1940s there were two top bosses who by law enforcement were considered as semi-retired bosses who took the advising role. When Ricca died in 1972 they were back to just one. Also the top bosses were often reffered to by their underlings as The Man or The Old Man