Here you can see the first level of application menus that are opened when you tap the device menu button.
License shows license, app version and author info.
Sort allow you to reorder the search result list in ascendent or descendent order.
Settings allows you to customize each aspect of the application behaviours.
Dictionary allows you to select the working dictionary, to view some info about an installed dictionary, to install and uninstall a dictionary.
OCR allows one to use the camera of its device to take a photo, to crop a region of that image which contains a specific text and then based on that text it will performe a optical character recognition and will automatically search for that specific text/word. This could be usefull for some languages, such Arabic, Russian,etc that one wants to translate it but don't know how to type the word.