All development in Eugene is regulated through a variety of zones, for example commercial, residential, and industrial zones. Each zone regulates what can be built, for example building height, size, and location, allowed uses, parking requirements, landscaping, etc. A “special area zone” (SAZ) is a type of zone that is tailored to meet the needs of only one particular area of town. Inside the boundaries of the SAZ, different subdistricts act something like mini-zones to regulate future development to match the needs of the area. In this case, the subdistricts are designed to match the vision created in the South Willamette Concept Plan.