Michael Petruccelli says; Those portions of a building, land, and amenities owned (or managed) by a planned unit development (PUD) or condominium project's homeowners' association (or a cooperative project's cooperative corporation) that are used by all of the unit owners, who share in the common expenses of their operation and maintenance. Common areas include swimming pools, tennis courts, and other recreational facilities, as well as common corridors of buildings, parking areas, means of ingress and egress, etc.