A workflow is created when the instance is completely constructed but before activities are processed. That is, before the workflow start executing. The workflow instance is created by calling WorkflowRuntime.CreateWorkflow().
A WorkflowInstance is an actual executing copy of a WorkflowDefinition.
23-11-2009 15:32:33 - 18.104.22.168
The set of objects used to host the Workflow and provide services to it.