|      | graph of S |   | 
|      | region  represents |   | 
|      | region  represents, expressed using   |   | 
|      | pixel |   | 
|      | pixel cluster |   | 
|      | rendering |   | 
|      | rendering produced using pixel testing |   | 
|      | rendering produced using subpixel sampling |   | 
|      | rendering produced using exhaustive subpixel sampling |   | 
|      | rendering produced using continuity-based testing |   | 
|      | rendering produced using floating-point sampling |   | 
|      | rendering of S |   | 
|      | value of  in R |   | 
|      | graph specification |   | 
|      | graph specification, using   |   |