A task scenario is an example of a task. It must be representative, realistic, usable for HCI design, consistent with task model.
Example of task scenario (book a train ticket)
Customer:’ I’d like three tickets to Stockholm on 4th April’
Operator checks train departure list, note time
Operator: ’ We have three tickets to Stockholm on 4th April, time 10:00 am. Price 600 Kr/ per.’
Customer:’Ok, we take it”
Operator: ’ How do you pay?’
Operator: put into list, ………..