Using pages will help you to build your brand guide in a structured way.
A brand guide consists of pages and blocks. Each page can contain one or multiple blocks with different kinds of content. Both page and block titles will be displayed in the index on the left-hand side. You can navigate through the brand guide by clicking on these titles.
When in the edit mode of a brand guide, you have the option to hide blocks and pages in the view mode. Another option you have is hiding the title in the index if you want the content of the page or block to be shown but not it's title in the index.