The trigger

What would cause the fallback to be used, stated as an observable condition rather than as a judgement.

The deliverable

What it is

Without a trigger, the fallback is used when things are undeniably lost, which is after its lead time has expired.

The trigger should be observable by someone specific on a specific date, which is what makes it fire rather than be debated.

One level in

Each element is a constituent part of the component. Follow one to see the attributes it carries.

The condition
What has to be true.
3 attributes: Condition · Observed on · Threshold
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The watcher
Who checks it, and when.
3 attributes: Checked by · Frequency · Last check
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The consequence
What happens when it fires.
3 attributes: Action · Decides · Decision window
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“Milestone three not reached by the fifteenth” fires. “If it looks like it is slipping” does not.

What is done instead if the main plan will not deliver — worked out in advance, when there is time to think.

How long the alternative takes to start — which is what sets the last moment the decision can be taken.