In this chapter:
(1) "Custody" means:
(A) detained or under arrest by a peace officer; or
(B) under restraint by a public servant pursuant to an order of a court.
(2) "Party official" means a person who holds any position or office in a political party, whether by election, appointment, or employment.
(3) "Benefit" means anything reasonably regarded as pecuniary gain or pecuniary advantage, including benefit to any other person in whose welfare the beneficiary has a direct and substantial interest.
(4) "Vote" means to cast a ballot in an election regulated by law.