module DVD {
  interface MEMBERSHIP { // Methods to manipulate DVD Store MEMBERS
  }; 
  interface TITLING { // Methods to manipulate DVD Store TITLES
  };
  interface DISKS { // Methods to manipulate DVD DISKS
  };
  interface RENTAL { // Methods for processing disk RENTALs and returns
  };
  interface RESERVATIONS { // Methods for managing reserving TITLES
  };
  interface UTILITIES { // Other methods that don't fit well elsewhere
  };
  interface FACTORY { // Base interface that provides access to the others
  };
};
