(720 ILCS 5/12-1) (from Ch. 38, par. 12-1) & (720 ILCS 5/12-2) (from Ch. 38, par. 12-2)
Assault. Assault is defined as intentionally putting another person in reasonable apprehension of bodily harm. In other words, it is an assault if you make another person think that you are going to harm them. No actual harm needs to occur. This is a class C misdemeanor and a conviction can result in up to 30 days in jail, two years of probation, $1,500 in fines, and/or 30-120 hours of community service.
(720 ILCS 5/12-3) (from Ch. 38, par. 12-3)
Battery. Battery is defined as intentionally causing bodily harm to another person. With battery, physical contact must occur. This is a class A misdemeanor and a conviction can result in up to one year in jail, two years formal supervision, and/or $2,500 in fines.