View animation —This option provides smooth, animated transitions between principal views. If you select View animation, the part rotates smoothly between two principal views. If you deselect it, the view changes abruptly to the new view.
Auto center-all — Select this option to automatically center the contents of the graphics window when you select a principal view.
View:
As on UCS — Use this option to change your view to that of the current UCS.
As on setup — If selected, the view is relative to the current Setup. If deselected, the view is relative to the world coordinate system.
As on STOCK — Use this option to change your view to that relative to the Stock.