Sicilian Mafia in the context of "Made man"

Organized crime refers to transnational, national, or local groups of centralized enterprises that engage in illegal activities, most commonly for profit. While organized crime is generally considered a form of illegal business, some criminal organizations, such as terrorist groups, rebel groups, and separatists, are politically motivated. Many criminal organizations rely on fear or terror to achieve their goals and maintain control within their ranks. These groups may adopt tactics similar to those used by authoritarian regimes to maintain power. Some forms of organized crime exist simply to meet demand for illegal goods or to facilitate trade in products and services banned by the state, such as illegal drugs or firearms. In other cases, criminal organizations force people to do business with them, as when gangs extort protection money from shopkeepers. Street gangs may be classified as organized crime groups under broader definitions, or may develop sufficient discipline to be considered organized crime under stricter definitions.

A criminal organization can also be referred to as an outfit, a gangster/gang, thug, crime family, mafia, mobster/mob, (crime) ring, or syndicate; the network, subculture, and community of criminals involved in organized crime may be referred to as the underworld or gangland. Sociologists sometimes specifically distinguish a "mafia" as a type of organized crime group that specializes in the supply of extra-legal protection and quasi-law enforcement. Academic studies of the original "Mafia", the Sicilian Mafia, as well as its American counterpart, generated an economic study of organized crime groups and exerted great influence on studies of the Russian mafia, the Indonesian preman, the Chinese triads, the Hong Kong triads, the Indian thuggee, and the Japanese yakuza.

A crime family is a unit of an organized crime syndicate, particularly in the Sicilian Mafia and Italian-American Mafia, often operating within a specific geographic territory or a specific set of activities. In its strictest sense, a family (or clan) is a criminal gang, operating either on a unitary basis or as an organized collection of smaller gangs (e.g., cells, factions, crews, etc.). In turn, a family can be a sole "enterprise" or part of a larger syndicate or cartel. Despite the name, most crime families are generally not based on or formed around actual familial connections, although they do tend to be ethnically based, and many members may in fact be related to one another. Crime "families" tend to be associated more directly with their respective territories than the individuals to whom their members may or may not be related.

Informally or generally, a mafia is any of various criminal organizations that include, or bear a strong similarity to, the original Sicilian Mafia, the Italian-American Mafia, or other Italian organized crime groups. The central activity of such an organization would be the arbitration of disputes between criminals, as well as the organization and enforcement of illicit agreements between criminals through violence. Mafias often engage in secondary activities such as gambling, loan sharking, drug trafficking, prostitution, and fraud.

The term Mafia was originally applied to the Sicilian Mafia. Since then, the term has expanded to encompass other organizations of similar practices and objectives, e.g. "the Russian mafia" or "the Japanese mafia". The term was coined by the press and is informal; the criminal organizations themselves have their own names (e.g. the Sicilian Mafia and the related Italian-American mafia refer to their organizations as "Cosa nostra"; the "Japanese mafia" calls itself Ninkyō dantai but is more commonly known as "Yakuza" by the public; and "Russian mafia" groups often call themselves "Bratva").

The American Mafia, commonly referred to in North America as the Italian-American Mafia, the Mafia, or the Mob, is a highly organized Italian-American criminal society and organized crime group. The terms Italian Mafia and Italian Mob apply to these American-based organizations, as well as the separate yet related Sicilian Mafia or other organized crime groups in Italy, or ethnic Italian crime groups in other countries. These organizations are often referred to by its members as Cosa Nostra (Italian pronunciation: [ˈkɔːza ˈnɔstra, ˈkɔːsa -]; lit. 'Our Thing') and by the American government as La Cosa Nostra (LCN). The organization's name is derived from the original Mafia or Cosa Nostra, the Sicilian Mafia, with "American Mafia" originally referring simply to Mafia groups from Sicily operating in the United States.

The Mafia in the United States emerged in impoverished Italian immigrant neighborhoods in New York's East Harlem (or "Italian Harlem"), the Lower East Side, and Brooklyn; also emerging in other areas of the Northeastern United States and several other major metropolitan areas (such as Chicago and New Orleans) during the late 19th century and early 20th century, following waves of Italian immigration especially from Sicily and other regions of Southern Italy. Campanian, Calabrian and other Italian criminal groups in the United States, as well as independent Italian-American criminals, eventually merged with Sicilian Mafiosi to create the modern pan-Italian Mafia in North America. Today, the Italian-American Mafia cooperates in various criminal activities with Italian organized crime groups, such as the Sicilian Mafia, the Camorra of Campania and the 'Ndrangheta of Calabria. The most important unit of the American Mafia is that of a "family", as the various criminal organizations that make up the Mafia are known. Despite the name of "family" to describe the various units, they are not familial groupings.