In zoning contexts, what does "density" generally refer to?

In zoning contexts, "density" is a term that refers specifically to the number of housing units or buildings permitted per unit of area, typically measured in square feet or acres. This measurement is fundamental in urban planning, as it helps determine how much residential, commercial, or mixed-use development can occur on a given piece of land.

Density influences various aspects of community planning, including the availability of services, the intensity of land use, and the character of neighborhoods. By regulating density, zoning laws can help manage growth, maintain the amenities of an area, and protect the environment. Understanding this concept is crucial for real estate professionals, as it directly impacts property values, development potential, and community dynamics. The other options relate to zoning but do not directly define "density" in this specific context.