| Padding | Amount of background enlarging. This value is relative to 
			  height of text. | 
		  
			  | Overline | Extension of extension line beyond dimension line. Value is in 
			  3d units with scale factor. | 
		  
			  | Line Color | Color of all lines. Default value depends on current UI theme. | 
		  
			  | Background Color | Color of background element, if appropriate. Default value 
			  depends on current UI theme. | 
		  
			  | Text Color | Color of text. Default value is equal to line color. | 
		  
		  
			  | Line Width | Width of lines and unit. Learn more about 
			  units. | 
		  
			  | Arrow Size | Size of arrowheads 
			  in selected units. | 
		  
			  | Size of 3D unit | See description of 
			  units. This unit is shared by markup 
			  labels. | 
		  
		  
			  | Topmost | If checked, markup object will be on top of 3d graphics. |