As used in this Article, unless the context otherwise requires:
"Authority" means the Orland Park Metropolitan Exposition, Auditorium and Office Building Authority.
"Board" means the governing and administrative body of the Orland Park Metropolitan Exposition, Auditorium and Office Building Authority.
"Metropolitan area" means all that territory which lies within the corporate boundaries of the Village of Orland Park.
70 ILCS 200/190-5