For the purpose of this ordinance, certain terms and words are hereby defined as follows: Words used in the present tense include the future, words in the singular include the plural, and words in the plural include the singular; the word "shall" is mandatory and not permissive; the word "person" includes individuals, partnerships, corporations, clubs, or associations. The following words or terms, when applied in this ordinance shall carry full force when used interchangeably: lot, plot, parcel, or premises, used, arranged, occupied or maintained; sold or dispensed, construct, reconstruct, erect, alter (structurally or otherwise), but not the term maintenance. The terms "City" and "County" shall mean the City of Phoenix and County of Maricopa, respectively; "Board" shall mean Board of Adjustment; "Commission" shall mean City Planning Commission; "Council" shall mean City Council.