Activities are very important in the Moodle framework because they allow students to demonstrate competency as well as stay engaged and motivated. They also allow course designers to connect learning outcomes to overall competency frameworks that may be required by governing bodies.
Moodle's assignments and lessons enable you to create course material that students interact with. This interaction is more engaging, and usually more effective, than courses consisting of static material that the students view. While you will probably begin creating your course by adding static material, the next step should usually be to ask "How can I add interactivity to this course?"
There are many ways to build engaging assignments and Moodle provides ...
