§ 130.01  DEFINITIONS.
   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)
   "INCLUDED OFFENSE."  An offense which:
      (1)   Is established by proof of the same or less than all of the facts or a less culpable mental state (or both), than that which is required to establish the commission of the offense charged; or
      (2)   Consists of an attempt to commit the offense charged or an offense included therein.
(ILCS Ch. 720, Act 5, § 2-9)
   "INCLUDES" or "INCLUDING." Comprehending among other particulars, without limiting the generality of the foregoing word or phrase. 
(ILCS Ch. 720, Act 5, § 2-10)
   "OFFENSE."  A violation of any penal statute of this city or state.
(ILCS Ch. 720, Act 5, § 2-12)
      (1)   Any person who by virtue of his office or public employment is vested by law with a duty to maintain public order or to make arrests for offenses, whether that duty extends to all offenses or is limited to specific offenses, or any person who, by statute, is granted and authorized to exercise powers similar to those conferred upon any peace officer employed by a law enforcement agency of this state.
      (2)   For purposes concerning unlawful use of weapons, for the purposes of assisting an Illinois peace officer in an arrest, or when the commission of any offense under Illinois law is directly observed by the person, and statutes involving the false personation of a peace officer, false personation of a peace officer while carrying a deadly weapon, false personation of a peace officer in attempting or committing a felony, and false personation of a peace officer in attempting or committing a forcible felony, then officers, agents or employees of the federal government commissioned by federal statute to make arrests for violations of federal criminal laws shall be considered “peace officers” under this code, including, but not limited to all criminal investigators of:
         (a)   The United States Department of Justice, the Federal Bureau of Investigation, the Drug Enforcement Agency and all United States Marshals or Deputy United States Marshals whose duties involve the enforcement of federal criminal laws;
         (b)   The United States Department of Homeland Security, United States Citizenship and Immigration Services, United States Coast Guard, United States Customs and Border Protection, and United States Immigration and Customs Enforcement;
         (c)   The United States Department of the Treasury, the Alcohol and Tobacco Tax and Trade Bureau, and the United States Secret Service;
         (d)   The United States Internal Revenue Service;
         (e)   The United States General Services Administration;
         (f)   The United States Postal Service;
         (g)   The United States Department of Defense.
(ILCS Ch. 720, Act 5, § 2-13)
   "PUBLIC EMPLOYEE."  A person, other than a public officer, who is authorized to perform any official function on behalf of, and is paid by, the state or any of its political subdivisions.
(ILCS Ch. 720, Act 5, § 2-17)
   "PUBLIC OFFICER."  A person who is elected to office pursuant to statute, or who is appointed to an office which is established, and the qualifications and duties of which are prescribed by statute, to discharge a public duty for the state or any of its political subdivisions.
(ILCS Ch. 720, Act 5, § 2-18)
   "REASONABLE BELIEF" or "REASONABLY BELIEVES."  The person concerned, acting as a reasonable man, believes that the described facts exist.
(ILCS Ch. 720, Act 5, § 2-19)
   "SOLICIT" or "SOLICITATION."  To command, authorize, urge, incite, request, or advise another to commit an offense.
(ILCS Ch. 720, Act 5, § 2-20)