The main toolbar provides quick access to tools and dialogs for many of the most common tasks in 3ds Max.

The main toolbar, split in two for this illustration
                Window/Crossing Selection Toggle
                Window/Crossing Selection Toggle 
               
            
                Keyboard Shortcut Override Toggle
               Keyboard Shortcut Override Toggle 
               
            
                Graphite Modeling Tools (Open)
               Graphite Modeling Tools (Open)