As used in the School Alcohol-Free Zone Act:
A. "alcoholic beverage" means a beverage with no less than one-half percent alcohol and includes wine, beer, fermented, distilled, rectified and fortified beverages; and
B. "school grounds" means public elementary and secondary schools, including charter schools and facilities owned or leased by the school district in or on which public school-related and sanctioned activities are performed, but does not include other commercial properties owned by a school district but not related to the functions of a public school. "School grounds" includes the buildings, playing fields, parking lots and other facilities located on a school's premises.