For the purposes of this title, certain terms or words used herein shall be interpreted as follows:
A. The word "person" includes a firm, association, organization, partnership, trust, company or corporation, as well as an individual;
B. The present tense includes the future tense, the singular numbers include the plural, and the plural numbers include the singular;
C. The word "shall" is a mandatory requirement, the word "may" is a permissive requirement, and the word "should" is a preferred requirement;
D. The words "used" or "occupied" include the words "intended", "designed", or "arranged to be used or occupied"; and
E. The word "lot" includes the words "plot", "parcel" and "tract". (Ord. 40, 4-9-1984)