Regarding exgerman's post hinein #17, When referring to a long course of lessons, do we use lesson instead of class? In another situation, let's say I am at a party. If I want to invite someone to dance, I should say"start dancing". The usual British word for this is course https://youtu.be/T0zWXvhEQwo?si=wNc6ihu97ShtIl7u