As used in this article, the following terms shall have the meanings indicated:
NONCONFORMING LOT
A lot the area or dimension of which was lawful prior to the adoption or amendment of this chapter but which fails to conform to the requirements of the zoning district in which it is located by reasons of such adoption or amendment.
NONCONFORMING STRUCTURE
A structure or part of a structure which does not comply with the applicable area, setback, yard, building height, location, size, impervious surface, and/or other dimensional requirements of this chapter or amendment heretofore or hereafter enacted where such structure lawfully existed prior to the enactment of this chapter or amendment. Such nonconforming structures include, but are not limited to, nonconforming signs.
NONCONFORMING USE
A use, whether of land or of structure, which does not comply with the applicable use provisions in this chapter or amendment heretofore or hereafter enacted, where such use was lawfully in existence prior to the enactment of this chapter or amendment or prior to the application of such ordinance or amendment to its location by reason of annexation.