To change the display of faces from smooth to faceted

To control the face style

To control the display of colors on faces

To make all faces in a viewport transparent

To control the display of shadows in a viewport

To set a solid as a viewport background

To set a gradient as a viewport background

To set an image as a viewport background

To set a Sun/Sky as a viewport background

To control the display of edges and edge colors

To add an overhang effect to edges

To add a jitter effect to edges

To control display of silhouette edges