Conventional subdivision. A subdivision which employs a fixed minimum lot size requirement, as specified in the appropriate district regulations.

Lot size averaging. A residential development option that allows a range of minimum lot areas, provided that the maximum density for the parcel is not exceeded.

Open lands. That portion of land, including any farm-related dwelling or accessory buildings located thereon, that is voluntarily deed-restricted by the landowner for resource conservation or agricultural use in order to qualify for the open lands subdivision pursuant to this chapter.

Unconstrained land. The area of a tract is not encumbered by wetlands, transition areas, state open waters, floodplain areas, riparian corridors, Category 1 (C-1) buffer areas, steep slope areas in excess of 20% existing easement areas and roads, and Highlands special or critical resource protection areas.