For the purpose of the business code, unless it is plainly evident from the context that a different meaning is intended, the words and phrases used herein shall have the following meanings. Words used in the present tense include the future, words in the plural number include the singular number, words in the singular number include the plural number. The word "shall" is mandatory, and not merely directory; "may" is permissive.
(Ord. 210 § 3, 1992)