The training-demand resource
The training-demand represents a training request for a given employee. It may be emitted from the employee or from management.
It is subject to a prioritization process, during which management gives it a priority level (high, medium, low) in regards to its conformance to business goals, compliance with safety rules, cost, etc...
Then HR admins analyze the training request and depending on the training managment policy and the budget accept or refuse the request. Accepting the request means adding the request to a training plan which contains training sessions.
The training-demand resource represents afdterward also the registration to a training session. When the training session is completed and the attendance has been entered by HR admins. The completed training is represented by the realized-training resource.