Moving to the previous or next section

• Click the Previous and Next buttons on either side of a section name to move through the sections in the current chapter. The sections are designed in a circular layout, so as you advance through all the sections in a chapter and reach the end, advancing once more displays the first section of that chapter.

Moving to the previous or next topic

• Click the Previous and Next buttons around the topic names to move through the topics in the current chapter. The topics are designed in a circular layout, so as you advance through a series of topics and reach the end, advancing once more displays the first topic of that series.