The number of flower pedal elements (main menus) can vary and are spread out evenly around the circumference of the size specified. Each element can have a list of sub elements (sub-mens) that appear on main menu hover. The elements can be parallel to horizon or perpendicular radius as displayed here. All of this can be adjusted and styled to suit.
This module is complicated requires good CSS development skills to bend to your needs. Its a great starting place for a developer that wants something very different for a project. It is not a good fit for a non developers looking for a plug and play.