A method used to control density and overcrowding by restricting setbacks, building height, or the ratio of open area is known as

"Bulk Zoning" is the appropriate choice.

Explanation:

Bulk regulations seem to be a confluence of control mechanisms that exceed the appropriate position and orientation of such a building on what seems like a plot of land.Current zoning rules may also include other categories of constraints or limitations, including such constructability restrictions established to maintain that housing developments were indeed a piece of architecture compliant with the latest apartment complexes.