An online course is one where the course is entirely asynchronous, or basically there is no set time to meet. All lecture, activities, and assignments are completed online. Then there is the typical homework and studying as well.
Your online class will most likely be inside Canvas, although it may be in WAMAP or on other tools such as textbook companies' websites.
The online work will include a variety of different things. Here are some of the main ones:
All types of classes should be equal in rigor and time commitment.