Constellation Web
Click on the next or forward arrow button on the side of the reader pane. The next arrow button will take you forward one section at a time. You may also navigate via the Table of Contents. To do this click the Content button on the toolbar. Clicking on it will drop down a table of contents menu that tells you the chapter and section you are in and allows you navigate to any chapter or section within the material.
Constellation Application
To navigate to the next section you can swipe forward to reach the next section. You may also navigate via the Table of Contents. To do this, tap the Content button on the toolbar. Doing so will drop down a table of contents menu that tells you the chapter and section you are in and lets you navigate to any chapter or section within the material.