What moral can you draw from Koichi's story?
I'll keep this lesson in mind.
Tell me about the biggest lesson you learned from your previous company.
At least way back in the day, things that teach instructions to people are things that teach a lesson or moral. Back in the day, lots of learning was done through storytelling, and storytelling taught lessons and morals, thus, this word.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.