Start at the section that seems to fit you best. Continue from there. If there's something you missed, try clicking the link to the associated section. If you find some terms you would like to define, consult the glossary
Go with the flow
The tutorial is built into a top down structure. All steps are in order of progression, or level of completion. You should be able to jump in anywhere and not get lost, at least that's the idea.
Links are included about a variety of subjects. They point to other places in the tutorial that contain more information about the link's name. For instance, if I mention, reduction to practice it takes you to a section where this idea is described. It is easy to use, and helps you increase your knowledge base at a rapid rate.
Pay attention, you might miss something
Helpfull links are there to describe the situation, or concept more thoroughly than the current sentence will allow. Clicking on unfamiliar words that are highlighted in the text allows you to learn more about them at the clock of a button.