A.
A nonconforming use is an activity which was present on a property before this chapter was adopted but is not listed as a permitted use for the zone district in which the property is located. A nonconformity may later be created by an amendment to the zoning text or map, but in no other manner.
B.
A nonconforming structure is one that was constructed on its property before adoption of this chapter with its setback from one or more property lines less and/or height greater than the standards established for the zone district containing the property.