"Independent expenditure" means an expenditure made by any person in connection with a communication which expressly advocates the election or defeat of a clearly identified candidate or the qualification, passage or defeat of a clearly identified measure, or taken as a whole and in context, unambiguously urges a particular result in an election but which is not made to or at the behest of the affected candidate or committee. (Ord. 6096-NS § 2 (part), 1991)