9. 1. window 2. icon 3. menu 4. system tray 5. taskbar 6. submenu 7. desktop 8. scrollbar 9. button 10. Start button b b i j
10. 1. window - d 2. icon - c 3. menu - a 4. system tray - f 5. taskbar - g 6. submenu - h 7. desktop - e 8. scrollbar - i 9. button - b 10. Start button - j b b i j