(a) For the purposes of this Section:
"Child sex offender" has the meaning ascribed to it in subsection (d) of Section 11-9.3 of this Code, but does not include as a sex offense under paragraph (2) of subsection (d) of Section 11-9.3 , the offenses under subsections (b) and (c) of Section 11-1.50 or subsections (b) and (c) of Section 12-15 of this Code.
"Public park" includes a park, forest preserve, bikeway, trail, or conservation area under the jurisdiction of the State or a unit of local government.
"Loiter" means:
(i) Standing, sitting idly, whether or not the person is in a vehicle or remaining in or around public park property.
(ii) Standing, sitting idly, whether or not the person is in a vehicle or remaining in or around public park property, for the purpose of committing or attempting to commit a sex offense.
"Sexual predator" has the meaning ascribed to it in subsection (E) of Section 2 of the Sex Offender Registration Act.