Course library has side panel which comprises of pre-defined groups: Active, Archived, Expired, and Ungrouped. So, if you have multiple courses in your library you can easily manage it under these categories. You can even create custom groups to organize it further.
In the My Library page, click the Add group button on the side panel. Now, enter a name for the group of courses, which you want to create. Pick a color to identify your group and select the required courses for your group. Finally, click the Add button to create the group.
You will observe a colored bullet below the Add group button. If you wish to add more courses to the group, you can also do it by dragging the desired course and dropping it in the respective course group.
At any point if you wish to edit the details of the group or you want to delete the desired group. In the side panel, click the pencil icon to edit the details or click the Delete button to delete the group.