Words and phrases shall be presumed to be in their ordinary context unless such word(s) or phrase(s) is defined or interpreted differently within this section. Words used in the present tense shall also imply the future, the singular shall include the plural and vice versa. The word "person" shall include a firm, association, organization, partnership, trust, company or corporation as well as an individual. The words "shall" or "must" is always mandatory. Terms using male gender include the female gender.