24 Pa. Stat. § 4603
The following words and phrases when used in this act shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Acceptable-use policy." A policy for Internet usage that meets the requirements of this act which is acceptable to and adopted by a school board or a governing body of a public library.
"Child pornography." The term shall have the same meaning as child sexual abuse material.
"Child sexual abuse material." As described in 18 Pa.C.S §6312 (relating to sexual abuse of children).
"Department." The Department of Education of the Commonwealth.
"Harmful to minors." As defined in 18 Pa.C.S. § 5903 (relating to obscene and other sexual materials and performances).
"Internet." The international network of computer systems.
"Obscene." As defined for purposes of "obscene materials" in 18 Pa.C.S. § 5903 (relating to obscene and other sexual materials and performances).
"Public library." A county or local library that receives State aid pursuant to Article III of the act of June 14, 1961 (P.L. 324, No. 188), known as The Library Code.
"School board." The board of directors of a school entity.
"School entity." A public school district, charter school, cyber charter school, intermediate unit or area vocational-technical school.
"Secretary." The Secretary of Education of the Commonwealth.
24 P.S. § 4603