We can see trends and lawfulness of evolution. We create future by choosing between existing alternatives and creating new. First there is a imaginative introduction. After this we gain ground in the reality and we investigate the trends with its conditions. They have to appear practicably.
Scenarios are graphic, fairly coherent and contradiction-less descriptions of possible futures.
There are several stages i.e. for a company. It is important that all involved persons are included. We can take into considerations disturbances too. We can think about risks and chances, which are connected with this disturbances. This requires that all peoples through their experiences are connected with the reality.