Is this spousal support, or child support?

Most states use a basic formula (yours and his income, # of overnights kid(s) are with each parent) that is varied from VERY little, and many have online calculators. What types of expenses is this supposed to cover?

M57 W 57; D30 D28 S24 S20 GD7 GD2 GD1 GD5m GD1m
BD 5/07; W's affair 5/07-8/07

At the end of every hard-earned day, people gotta find some reason to believe. (Bruce Springsteen)