A Mafia Bigwig is a high-ranking member of the Mafia, typically consisting of a CAPO (4 letters) and a DON (3 letters). A CAPO is a leader of a Mafia family and is responsible for supervising criminal activities and managing the family's business. A DON is the head of the family and is the ultimate authority in all matters. They are responsible for making decisions, settling disputes, and ensuring the loyalty of their subordinates.