Overview
You must create a module before you can add topics. You can also create sub-modules (modules within existing modules) to establish a deeper hierarchy.
Create a New Module
From your course homepage, click Content from the Course Materials drop-down menu.
Click the Table of Contents link in the left hand panel.
Enter your new module title in the Add a module... field and press Enter.
Create a New Sub-Module
Click on the module you would like to add a sub-module to from the Table of Contents panel.
Enter your new sub-module title in the Add a sub-module... field and press Enter.