The manual is divided into sections. Each section has a table of contents page with links to the different topics in it.
You can search the entire manual by clicking on the "Entire Manual - printable" link and then clicking Control + F. Type in the word you are looking for and hit Enter.
The general reference section has a number of how-tos in it, such as How to Search and How to Hide a Story Folder, as well as information about what the different icons mean.
How-tos and one-page references