The main place for learning materials are lessons - course pages. On each page of the course you can place such elements as web content, exercise, test, written expression, verbal expression.
There is no limit to the number of elements on a page. It is also possible to place previously created learning materials (web content, exercise, test) on different pages and different cources or repeate it on the same page.
The main instrument for filling the course with learning materials is the "+" menu on the left.
"Plus Menu": This menu contains the complete set of elements that author can place on each page of his course.