Simulation is probably the most common descriptive modeling method.
Simulation is the imitation of reality and has been applied to many areas of decision making.
Computer and video games player liver within it. Virtual reality is also a form of simulation because the environment is simulated, not real.
A common use of simulation is in manufacturing.
Complex inventory decisions
Environmental impact analysis
Information planning
Markov analysis (predictions)
Scenario analysis
Simulation (alternative types)
Technological forecasting
Waiting-line(queuing) management