Lessons learned (American English) or lessons learnt (British English) are experiences distilled from past activities that should be actively taken into account in future actions and behaviors. == Definition == There are several definitions of the concept.
Lessons learned (American English) or lessons learnt (British English) are experiences distilled from past activities that should be actively taken into account in future actions and behaviors. == Definition == There are several definitions of the concept.
Source: Wikipedia "Lessons learned" · CC BY-SA 4.0
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