Imagine having vehicular maintenance centers around the world for its own fleet, or its drivers' personal vehicles—and need a way to create work instructions on the fly based on what is needed—in this case, what maintenance items need to be done for a particular vehicle. The concept for a Decision Task came into being during a weekly Product Review. Someone said something, another person commented, "we need to ability to generate work instructions based on this or that decision." I ran with it.
Imagine being a taxi driver, pulling into a maintenance center. The attendant scans your VIN. The system immediately recognizes 5,000 miles since last oil change, automatically selects that decision—to do an oil change, thus a filter and fluids inspection as well. A car wash is also automatically selected (because of the prior opertion). The attendant asks the driver if there’s anything else that should be looked at or replaced? Wipers? Tires? These can then be manually selected. Completed, the work instruction is generated based on these criteria as well as other operations currently going on in the facility.
A further example of the decision task is that of decisions during manufacturing where decisions made during an operation generate further instruction. The Decision Task presents a choice (with no further tasks specified yet). If YES, a certain set of further tasks are presented. If NO, a different set of further tasks are presented.