Areas with the volume type are surrounded by exposed areas from above and below.
Areas with the volume type can be exposed with hatch, fill contour, or border vector types.
| Vector Type | Description |
| Hatch (volume) | Hatches fill the inner area of the respective area of the volume type. |
| Fill contour (volume) | A fill contour is a hole-filling contour between a border (volume) and the hatches (volume). |
| Border (volume) | A border is a contour on the outer area of the part that surrounds the hatches (volume). |