How do I add a link to my Moodle course? Turn editing on, click 'Add an activity or resource' in the desirable section and select 'URL' from the list.
How do I add a file to Moodle? To add a file to your course, you need to add the File resource in Moodle:
How do I add headings and subheadings to Moodle? To add headings and subheadings to your Moodle course, you should use the Label resource.
What is a Page resource? Turn editing on, click 'Add an activity or resource' in the desirable section and select 'Page' from the list.