| Character | Symbol | Type |
|---|---|---|
| Straightness | |
Form |
| Flatness | |
Form |
| Circularity | |
Form |
| Cylindricity | |
Form |
| Line Profile | |
Profile |
| Surface Profile | |
Profile |
| Perpendicularity | |
Orientation |
| Angularity | |
Orientation |
| Parallelism | |
Orientation |
| Symmetry | |
Location |
| Position | |
Location |
| Concentricity | |
Location |
| Runout | |
Runout |
| Total Runout | |
Runout |
| Symbol | Modifier |
|---|---|
 |
Free State |
 |
Least Material Condition (LMC) |
 |
Maximum Material Condition (MMC) |
 |
Projected Tolerance Zone |
 |
Regardless of Feature Size (RFS) |
 |
Tangent Plane |
 |
Unilateral |
This is a reference for the ANSI Y14.5 GD&T standard.