The menu bar

There are four main menus:

File Items can be created, deleted, or opened. You can also view events or quit the application
Settings Display and input settings can be changed. The module list (the bar on the left-hand side of the screen) can be made visible or hidden
Tools The tools available here depend on the module that is active. Some tools, such as "Item import", are common to all modules
Information Contains a link to the about dialog and to the internal help system.