| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| definition of an open system | 1.06 | 0.1 | 7671 | 73 | 28 |
| definition | 0.64 | 0.7 | 9664 | 34 | 10 |
| of | 1.11 | 0.7 | 6649 | 78 | 2 |
| an | 1.01 | 0.5 | 9990 | 96 | 2 |
| open | 0.02 | 0.6 | 4708 | 2 | 4 |
| system | 1.93 | 1 | 6816 | 96 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| definition of an open system | 0.18 | 0.4 | 6801 | 90 |
