| Metric (Number of Instances) | Design Pattern |
| FM | Factory Method |
| Pro | Prototype |
| Sin | Singleton |
| AC | Adapter/Command |
| Comp | Composite |
| Dec | Decorator |
| Prx | Proxy version 1 |
| Prx2 | Proxy version 2 |
| Ob | Observer |
| StSt | State/Strategy |
| TM | Template Method |
| V | Visitor |