IEP and Other Special Services Acronyms

A friend of mine has an upcoming ARD meeting scheduled to discuss IEP, the IDEA law, and other services for her daughter. Her head is spinning over all the special education terms and processes. I've directed her to Terri Mauro, About.com Guide to Parenting Special Needs, for her endless information and resources. If you've got any question about special services, this site seems to have the answer!