Pursuant to the laws of the United States of America, the State of New York and the Town of Cortlandt and the authority and power granted by Article 16 of the Town Law of the State of New York, the purpose of this chapter is to promote the health, safety, morals and general welfare of the community by establishing regulations and restrictions with respect to height, number of stories and size of buildings and other structures, the percentage of lot that may be occupied, the sizes of yards and other open spaces, the density of population and the location and use of structures and land.