In order to navigate back to a previous section of a lesson, scroll up to the top of the current section you are in. Once at the top of the page, you'll see an arrow and the title of the previous section, as seen in the screenshot below. Click on the section title with the up arrow to navigate back to the previous lesson.
Repeat this process until you have landed on the desired section.
How do I go back to a previous section of a lesson?
