| Characteristic | Specification | Symbol | Unicode character | Datum Needed | 
|---|---|---|---|---|
| Angularity | Orientation | 
                     | 
                U+2220 | Yes | 
| Circular run-out | Run-out | 
                     | 
                U+2197 | Yes | 
| Coaxiality for median lines | Location | 
                     | 
                U+25CE | Yes | 
| Concentricity for centre points | Location | 
                     | 
                U+25CE | Yes | 
| Cylindricity | Form | 
                     | 
                U+232D | No | 
| Flatness | Form | 
                     | 
                U+23E5 | No | 
| Line profile | Location | 
                     | 
                U+2312 | Yes | 
| LineProfile | Orientation | 
                     | 
                U+2312 | Yes | 
| Line profile | Form | 
                     | 
                U+2312 | No | 
| Parallelism | Orientation | 
                     | 
                U+2225 | Yes |