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DTM.1:3 - Forces
| Force | Tension |
|---|
| A decision is needed | Consequences may be partly known and differ by participant or horizon. |
| External support extends capability | Losing access or replaceability can also remove a needed capability. |
| Variants must be recognizable | A copied description, learned operation and installed device preserve different things. |
| A collective result matters | It does not automatically override the interests of its members or neighbours. |