To provide for the establishment of separate and distinct substantive standards for planned and controlled developments of varying sizes or to recognize and encourage the advantages which may accrue from the complexities of particular and/or unique parcel size, location within the Village, juxtaposition with adjacent land uses and community facilities and functions and to take into account the increasing need for flexibility in types of uses, building types, location and design and development timing required in such developments and the increasing need to plan and control such complex developments so as to minimize or to compensate for, their effect on surrounding uses and public services;