For the purpose of this chapter, certain words shall be interpreted as follows:
(1) Words used in the present tense include the future tense.
(2) Words used in the singular number include the plural and words used in the plural number include the singular, unless the natural construction of the wording indicates otherwise.
(3) The word "person" includes a firm, association, corporation, trust, and company as well as an individual.
(4) The word "used for" shall include the meaning "designed for".
(5) The word "structure" shall include the word "building".
(6) The word "lot" shall include the words "plot", "parcel", or "tract".
(7) The word "shall" is always mandatory and not merely directory.
(Ord. of 4-6-92, No. 190-92)