| Code | Display | Definition | 
| approve  | 
Activate/approve the focal resource | 
Take what actions are needed to transition the focus resource from 'draft' to 'active' or 'in-progress', as appropriate for the resource type.  This may involve additing additional content, approval, validation, etc. | 
| fulfill  | 
Fulfill the focal request | 
Act to perform the actions described in the focus request.  This might result in a 'more assertive' request (order for a plan or proposal, filler order for a placer order), but is intend to eventually result in events.  The degree of fulfillment requested might be limited by Task.restriction. | 
| instantiate  | 
Instantiate the focal definition | 
Act to perform the actions defined in the focus definition resource (ActivityDefinition, PlanDefinition, Questionnaire, etc.)  For PlanDefinition or ActivityDefinition, this might result in a 'more assertive' request (order for a plan or proposal, filler order for a placer order), but is intend to eventually result in events.  For Questionnaire, this would result in a QuestionnaireResponse - and possibly resources constructed using data extracted from the response.  The degree of fulfillment requested might be limited by Task.restriction. | 
| abort  | 
Mark the focal resource as no longer active | 
Abort, cancel or withdraw the focal resource, as appropriate for the type of resource. | 
| replace  | 
Replace the focal resource with the input resource | 
Replace the focal resource with the specified input resource | 
| change  | 
Change the focal resource | 
Update the focal resource of the owning system to reflect the content specified as the Task.focus | 
| suspend  | 
Suspend the focal resource | 
Transition the focal resource from 'active' or 'in-progress' to 'suspended' | 
| resume  | 
Re-activate the focal resource | 
Transition the focal resource from 'suspended' to 'active' or 'in-progress' as appropriate for the resource type. |