| address | Object | true | https://uor.foundation/state/Binding | https://uor.foundation/u/Address | The UOR address being bound in this binding. |
| content | Object | true | https://uor.foundation/state/Binding | https://uor.foundation/schema/Datum | The datum value bound to the address in this binding. |
| boundType | Object | false | https://uor.foundation/state/Binding | https://uor.foundation/type/TypeDefinition | The type under which this binding's datum is resolved. |
| timestamp | Datatype | true | https://uor.foundation/state/Binding | http://www.w3.org/2001/XMLSchema#dateTime | The time at which this binding was created. |
| binding | Object | false | https://uor.foundation/state/Context | https://uor.foundation/state/Binding | A binding held in this context. |
| capacity | Datatype | true | https://uor.foundation/state/Context | http://www.w3.org/2001/XMLSchema#positiveInteger | The maximum number of bindings this context can hold. |
| contentAddress | Datatype | true | https://uor.foundation/state/Context | http://www.w3.org/2001/XMLSchema#string | The content-derived address of this context, uniquely identifying its current state in the UOR address space. |
| quantum | Datatype | true | https://uor.foundation/state/Context | http://www.w3.org/2001/XMLSchema#positiveInteger | The quantum level of this context's address space. |
| activeBindings | Object | false | https://uor.foundation/state/Frame | https://uor.foundation/state/Binding | The bindings currently in scope for this frame. |
| context | Object | true | https://uor.foundation/state/Frame | https://uor.foundation/state/Context | The context this frame is a view of. |
| constraint | Datatype | false | https://uor.foundation/state/Frame | http://www.w3.org/2001/XMLSchema#string | The constraint determining which bindings from the context are visible in this frame. |
| from | Object | true | https://uor.foundation/state/Transition | https://uor.foundation/state/Context | The context before this transition. |
| to | Object | true | https://uor.foundation/state/Transition | https://uor.foundation/state/Context | The context after this transition. |
| addedBindings | Object | false | https://uor.foundation/state/Transition | https://uor.foundation/state/Binding | Bindings added to the context in this transition. |
| removedBindings | Object | false | https://uor.foundation/state/Transition | https://uor.foundation/state/Binding | Bindings removed from the context in this transition. |
| trace | Object | true | https://uor.foundation/state/Transition | https://uor.foundation/trace/ComputationTrace | The computation trace recording the kernel operations that effected this state transition. |