This page lists feedback entries tagged with help sorted on creation date
There should be a help button for each table/graph that pop-ups some info for the values (what they mean, how they are defined how to get more details...).
I installed PMV and while I had no problems I had different colleagues that had some problems to understand what the different values represent.
Imported from the features request
http://www.phpmyvisites.net/bugtracker/?do=details&id...