Lessons Learned Lernkurve Lessons Learned Lecciones aprendidas Lecciones aprendidas Leçons apprises לקחים מלמידה सीखे गए अनुभव 学習した教訓 Lições aprendidas 经验教训 Lessons Learned refers to the process of reflecting on past experiences and identifying what worked well and what did not, in order to improve future performance, within the context of project management objectives.