As used in this chapter, the following terms shall have the meanings indicated:
Any day upon which the voters of the township are allowed to select persons for federal, state, county or Township office or select members of the Board of Education, or to cast their ballots upon public questions.
Any sign which bears a message seeking to further the candidacy of a person running for federal, state, county, Township, Board of Education or other office, or which seeks to influence the public concerning any public referendum.