Whenever the following words and phrases appear in this title, they should be given the meaning attributed to them by this section. When not inconsistent with the context, words used in the present tense shall include the future; the singular shall include the plural, and the plural the singular; "shall" is always mandatory and "may" indicates a use of discretion in making a decision. Where terms are not defined, they shall have ordinary accepted meanings within the context in which they are used.
(Ord. 1909 § 2 (part), 1997)