Statutory definitions shall apply to terms used in the Department rules, unless otherwise defined. For purposes of these rules:
"Department" means the Illinois Department of Juvenile Justice.
"Department rules" means 2 Ill. Adm. Code 1000, 4 Ill. Adm. Code 530, 20 Ill. Adm. Code: Chapter IX, and any other rules adopted by the Department in accordance with the Illinois Administrative Procedure Act [5 ILCS 100/1-1 et seq.].
"Director" means the highest ranking official of the Department.
"Part" means a unified set of rules.
"Section" means a single rule.
"Subpart means a unified set of rules within a Part.
"Youth" means persons committed to the Department who have not been discharged, including those persons who have been released on aftercare release.
Ill. Admin. Code tit. 2, § 1000.110