Main Menu
 
 Includes the Model Menu, Edit Menu and View Menu.

 

 Main Toolbar
 
 Includes standard file and printing buttons, undo/redo, zooming/panning buttons, in addition to basic model tools.

 

 Modeling Toolbar
 
 Includes model building tools.

 

 Model View Area
 


 

 Status Bar
 
 Provides hints and feedback to user.