text: The Genovese crime family is one of the `` Five Families '' that dominates organized crime activities in New York City , within the nationwide criminal phenomenon known as the American Mafia ( or Cosa Nostra ) .
simplified: The Genovese crime family is one of the `` Five Families '' that controls organized crime activities in New York City , within the nationwide criminal phenomenon known as the Mafia ( or Cosa Nostra ) .