lessonとは何ですか?Something to be learned: lessons from observing nature. A period of instruction; a class.An assignment or exercise in which something is to be learned.The act or an instance of instructing; teaching.An experience, example, or observation that imparts beneficial new knowledge or wisdom.The knowledge or wisdom so acquired.A rebuke or reprimand.A reading from the Bible or other sacred text as part of a religious service.To teach a lesson to; instruct.To rebuke or reprimand.