On the left-hand side of your course, you will see a Course Navigation Menu (1). Sections that do not have any content in them or that you have manually disabled are grayed out (2).

View Course Navigation Menu

You cannot change the names of sections, but you can reorder sections and hide any sections that you don't want to show students. To disable and enable sections in your course navigation menu and/or to reorder the sections, go to the desired course and click on Settings.

Click on the Navigation tab.

Open Navigation

Reorder the navigation links by dragging and dropping them in the preferred order (1). You can also click on the three dots to the right of the section (1) and click on Move (2), then choose the desired place.

Move Link

To disable a section or hide it from student view, drag a section down to the hidden section at the bottom of the page (1). Alternatively, you can click on the three dots to the right of the section (1) and click Disable (2). At any point, if you want to re-enable a section, return to Course Settings, scroll down to the bottom of the screen, click on the three dots, and click Enable.

Disable

Guides

How do I use the Course Navigation Menu?

How do I reorder and hide Course Navigation links?