41. This button lets you hide all windows and show the desktop. 42. Toggle between button and text-based location bar 43. Whether the window frame should have a close button 44. Click the button to change the login screen background 45. Change how long to wait before the button is clicked 46. moves; selects; activates buttons से आगे-पीछे करें; से चुनें; से बटनों को सक्रिय करें 47. The dialog has a separator bar above its buttons 48. Enables touchpad three-finger-click as middle button. 49. Use custom icon for object's button 50. Whether buttons in dialogs should use the alternative button order
