Yon
Yon is the answer if a clear yes or no is not possible. The size of this area depends mainly on how far the two poles reach. The magic of the yon lies in the explicit designation of the grey zone between the extremes. The half-full or half-empty glass reduces the grey zone between the poles to zero. The benefit of yon is the clear message that the one or the other extreme is not finally decidable, but further aspects must be clarified in advance.

The model consists of both poles and the grey zone.
- Poles
The poles of the yon describe opposite aspects that can be answered with one or the other. The typical example is the digital bit representing the two conditions on or off with 1 or 0. Other poles are less assignable. When is it planning or improvisation? Strong or weak? Diligence or carelessness? Success or flop? Order or chaos? Black or white?
- In most cases, the poles are only black and white assignable without a doubt in their extreme position (see diagram: 4) - the rest is a grey zone. To facilitate the allocation, it is necessary to renounce dogmatism by interpreting the extremes more generously and reducing the grey zone. Most people will be able to put the most extensive and lowest value without difficulties at 3. To simplify, the poles should always be considered carefully.
- Grey zone
The grey zone is the area of the yon. Here a smooth transition between the two alternatives takes place. As soon as a yon is formulated, it means indecision. The bigger this area is, the more often there will be different points of view and mistakes. As soon as yon are found in the evaluation, the adequate reaction is possible. A large grey zone (between 3 and 3) means that it is three times larger than the two poles and less understanding is expectable. A balanced grey zone (between 2 and 2) is just as wide as the two poles. In this case, the two poles are still meaningfully separated from each other, and more people can decide the one or other alternative. The defined grey zone facilitates determining by the participants.
It will be more and more essential to find common ground through consensus. The difficulty is located in individual standards and evaluations. To get to a consensus, it is helpful to offer alternatives that unite a larger group of people. Often, these are not extreme positions but compromises in between. Inquiries, options, or decisions need the alternative Yon, to make the agony of choice early on visible.
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