I mean if you're going to explain it to someone that had no idea about bitcoin all you need to do is just explain what bitcoin does as a beginner it will be easy to absorb and learn by anyone. You could easily teach them what bitcoin does by explaining the things that you do to bitcoin and how they can use bitcoin to earn, Just the introduction of bitcoin as a digital currency and teaching them about trading. If you are going to teach them how bitcoin works it might get complicated to explain the process and could turn them down, but if you just teach them what can you do on bitcoin they might get interested in it and learn how it works on their selves.

Also, one of the best things to do to easily learn bitcoin is just to try buying one and start investing already, since experience is the best teacher, explaining it to someone could just complicate things just guide them not to invest and risk everything on cryptocurrency.