The info on this page is for OED version 0.7.0. See "Help versions" menu at top of page for other versions.
In addition to choosing the type of graphic to see, OED maintains several other pages that give information.
There are two pages available to general users that are accessed by the buttons in the top, right corner of the web browser window (highlighted with a blue box in the figure)
The page options are given next with a brief description. The provided link goes to another help page with extensive information on each page.
Additional information available on the meter and group pages along with other pages for admins is given in the admin help page.