The classrooms, multiple accounts, content, topic or lesson, but the real work is to combine several lessons gathered it together, which is more complicated, and some functionality may differ from those that I've taken.
Learning in the room, there are many subjective account or lesson content. But the real work is to gather together many lessons, which are more complex. And some operations may be different from what I have learned.
Classroom, content accounts have several topics or lessons. But the real work is to collect several lessons together, which have become more complicated. And some work it may differ from what I have learned.