Each instructor may have a different course setup, so you can email your instructor for specifics on how his or her course is setup.
Generally, most instructors have made course notes and/or lecture videos available for you. Some instructors have created their own lecture videos, and others include videos that correspond with your textbook that were created by the textbook publisher.
All classes have access to Discussion boards and email within iCollege so you can communicate easily with your instructor or classmates.
So, you will not simply be reading a textbook to learn the material. This is not an independent study and your teacher will be available to help you learn the material.