The main application window has three parts:

1. Toolbar
2. Document Window Area
3. Statusbar

Toolbar

The toolbar provides buttons for easy access to commonly used commands.

Document Window Area

Used to display open documents.

Statusbar

The left panel of the statusbar is used to provide additional information about menu commands and toolbar buttons, as well as other useful tips. The middle panel displays the position of the current selection in the active document. Progress when opening or saving large documents is also shown here. The right panel is used to show the currently selected quiz mode.