For the purpose of this title, certain words and terms are defined as follows. Verbs used in the present tense include the future; the singular noun includes the plural, and the plural the singular; the word "lot" includes "plot" and "parcel"; the word "building" includes "structure" and shall be construed as being followed by the words "or part thereof"; the word "occupied" includes the words "designed", "arranged" or "intended to be occupied". Where the verb "use" is employed, it shall be construed as if followed by the words "or is intended, arranged, designed, built, altered, converted, rented or leased to be used"; the word "shall" is mandatory and not directory. All distances and area refer to measurements in a horizontal plane. The word "title" shall include amendments thereto, including amendments to the zoning map. (Ord. 64, 11-17-1971)