RMS Levels help?

Sep 8, 2011
206
0
16
Los Angeles, CA
I KNOW there is a lot of threads and posts about this, but i really need someone to clear up a lot of simple things for me. Can someone explain in a SIMPLE way what the RMS level is? Im using cubase 5 and i dont know where to find my rms level. Can someone help me out? and how can i change the RMS levels?. Limiting? Thanks