A structure or lot, or part of a structure or lot, which does not comply with the applicable area, dimensional, parking, buffer, height, environmental or other provisions of this chapter or amendment heretofore or hereafter enacted, where such structure or lot lawfully existed prior to enactment of such ordinance or amendment. Such nonconforming structures include, but are not limited to, nonconforming signs. Nonconforming lots are also governed by §
195-76 of this chapter.