The term 'Underworld Figures' refers to characters in organized crime, such as those found in the Mafia. These figures include GNOMES (6 letters), DONS (4 letters), and HITMEN (6 letters). GNOMES are typically lower-level members of a criminal organization, often responsible for carrying out orders from higher-ranking members. DONS are the leaders of a criminal organization, and are usually the most powerful and influential figures. HITMEN are hired assassins, employed by criminal organizations to carry out assassinations or other violent acts.