| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| definition for frame of reference | 1.64 | 0.3 | 3872 | 42 | 33 |
| definition | 0.6 | 0.6 | 7027 | 5 | 10 |
| for | 1.62 | 0.3 | 3311 | 66 | 3 |
| frame | 0.48 | 0.2 | 7955 | 4 | 5 |
| of | 0.4 | 0.7 | 2787 | 62 | 2 |
| reference | 0.31 | 0.8 | 1153 | 41 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| definition for frame of reference | 0.17 | 1 | 3266 | 43 |
