For the purpose of this Title, certain abbreviations, terms, phrases, words and their derivatives must be construed as specified in this Chapter. “And” indicates that all connected items or provisions apply. “Or” indicates that the connected items or provisions may apply singly or in combination. Terms, words, phrases and their derivatives used but not specifically defined in this Title either have the meanings defined in Portland City Code Title 24 or, if not defined there, have their commonly accepted meanings.