| Value | Meaning | 
|---|---|
| UndefinedPathUnits | |
| UserSpace | The contents of the clipPath represent values in the current user coordinate system. | 
| UserSpaceOnUse | The contents of the clipPath represent values in the current user coordinate system in place at the time when the clipPath element is referenced. | 
| ObjectBoundingBox | The user coordinate system for the contents of the clipPath element is established using the bounding box of the element to which the clipping path is applied. | 
Defines the coordinate system for the contents of a clip path.