For the purposes of this title the following words and phrases shall have the following meanings ascribed to them respectively.
ACT. Includes a failure or omission to take action. (ILCS Ch. 720, Act 5, § 2-2)
ANOTHER. A person or persons other than the offender. (ILCS Ch. 720, Act 5, § 2-3)
CONDUCT. An act or a series of acts, and the accompanying mental state. (ILCS Ch. 720, Act 5, § 2-4)
OFFENSE. A violation of any penal statute of this city or state. (ILCS Ch. 720, Act 5, § 2-12)