Unless specifically defined in Chapter 16.02, words, phrases and terms in this title shall be interpreted so as to give them the meaning they have in common usage and to give this title its most reasonable application. "Shall" is mandatory; "may" is discretionary and does not impose a requirement; "should" is always advisory; "include(s)" means includes but not limited to. When not inconsistent with the context, words used in the present tense include the future; the singular includes the plural; and the plural, the singular. (Ord. 2123, § 1 (Att.), 2021.)