| Name | Kind | Description |
| id | attribute | Asset primary key. |
| In Memory Database | class diagram | |
| inFixture | activity action pin | |
| InPlace | class | |
| input | class instance | |
| input | class instance | |
| input | class instance | |
| instance | operation | |
| instructions | relation | |
| Interface | class view | |
| interface components | class diagram | |
| interfaces | component view | |
| interpolator | artifact | denotes a facility to get (continuously interpolated) parameter values |
| Interpolator | class | Provides the implementation for getting the acutal value of a time varying or automated effect/plugin parameter |
| Invalid | class | |
| InvocationStateBase | class | |
| ipo | relation | |
| isActive | operation | weather this asset is swithced on and consequently included in the fixture and participates in rendering |
| isCalculated | operation |