Cpu Test: A test for detecting your computer performance.
Undo Buffer: Number of Undo Steps to be recorded for each project.
Work Environment: Allows to customize Work Environment.
Grid: This can enable/disable snap to grid while editing and can set the grid size.
Painting: All Painting Options, to better control the result of your painting.
Text Antialias: Two ways of rendering Text on screen. Depending from your screen, some can be slightly better than the other.
Zoom: Two ways of zooming. The one for smooth appearence of picture is slightly slower.