| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| authority letter for collection of documents | 0.51 | 0.4 | 1208 | 29 | 44 |
| authority | 0.58 | 0.9 | 876 | 16 | 9 |
| letter | 1.19 | 0.5 | 3455 | 60 | 6 |
| for | 1.62 | 0.7 | 9530 | 89 | 3 |
| collection | 1.28 | 0.5 | 8410 | 32 | 10 |
| of | 0.91 | 0.8 | 859 | 86 | 2 |
| documents | 0.52 | 0.6 | 4812 | 100 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| authority letter for collection of documents | 0.13 | 0.2 | 2721 | 51 |
