"Navigation bar" Menu widget on left, a.k.a vertical MenuBar
MenuBar on top
page level context menu (right-click anywhere on page)
form widget context menu (right-click on textbox widget)
Example of programatically created menu
Note: while some accelerator (shortcut) keys are displayed in the context menu, they are not actually hooked up to the corresponding actions (if any), they need to be setup explicitly by the user
Click button below to create special menu on this div.