Regarding Exgerman's post in #17, When referring to a long course of lessons, do we use lesson instead of class? Rein both the UK and the US, a class is usually a group of students Weltgesundheitsorganisation are learning together: Jill and I were rein the same class at primary school. https://youtu.be/T0zWXvhEQwo?si=wNc6ihu97ShtIl7u