The info on this page is for OED version 1.0.0. 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 "Pages" dropdown menu in the top, right corner of the web browser window (highlighted with a blue box) as shown in the followings figure:
The dropdown choices are given next with a brief description where the provided link goes to another help page with extensive information on that page.
Admin users who are logged in will have the additional choices of "Conversions", "Maps", "Units" and "Admin Panel".