| from the primary plane | 6 | location |
| within | 3 | location |
| downwardly | 2 | degree |
| surface → be → recessed | 15 |
| surface → be provided with → recess | 4 |
| surface → include → recessed portion | 3 |
| negative | neutral | positive |
| 0.039 | 0.886 | 0.075 |
| Raw frequency | 22 |
| Normalized frequency | 0.295 |
| Modifier score | 0.500 |
| Perplexity | 267.676 |