“Use” means the purpose for which land or premises or a building thereon is designed, arranged, or intended, or for which it is or may be occupied or maintained.

“Use, accessory” means a use customarily associated with, but subordinate and incidental to, the principal use of a lot or a building located on the same lot.

“Utility distribution facility” means any improvement used for the distribution or conveyance of utilities used by the public, such as water storage tanks and reservoirs, pumping and boosting stations, treatment plants; electrical substations, boosters, and conversion stations, gas storage tanks, communications equipment buildings; radio transmitter towers and stations; and microwave stations, but not including electrical distribution lines or pipes, valves, or transformers.