In AdSense, who does not know about the terms, Impression, CTR, CPC, RPM. But I think, concept about these terms and how it make impact on AdSense earning through website visitor is not same for all. Some have high understanding while others are less but alarming for those who have wrong concept. I welcome each and every expert/new comer to leave his/her view of understanding in depth with example. Let's start...
I guess you never read the 'contract' that you agreed that you had read and understood when you joined adsense. Perhaps you should go and re-read it and remove the information from your post that Google specifically says not to disclose publicly (and you agreed to not do so).