Planned unit development zoning is also termed

Buffer zoning involves the establishment of areas that separate different land uses, often to mitigate conflicts between incompatible uses, such as residential and industrial zones. Although it is a relevant zoning concept, it does not specifically relate to planned unit developments and their regulatory frameworks.

Luster zoning is not a recognized term in land use or zoning regulations. It appears to be a misnomer or an incorrect choice, as it lacks any established meaning in the context of zoning practices, particularly in relation to planned unit developments.

Exclusionary zoning involves regulations that limit certain types of development, often to keep lower-income populations out of specific areas. While it relates to zoning practices, it does not reflect the purpose or definition of planned unit developments, which are intended to encourage mixed-use development and community integration.