The target is a data resource that is the counterpart of an input in an operation.
The target can be used as output of an operation.
In every transfer operation, the target-data-uri defines where the data should be stored
Note:
In a diff operation, the target is the data resource used to make a diff with the inputs
In a create operation, the targets represents the created data resources from the input.
In the execute operation, the targets represents the created resources.