The contents tree shows Help project contents to be generated:
2.1 Installation
2.2 Getting started
2.3 Tutorial
2.4 Registration
2.5 Support
2.6 Copyright
To see what they contain how they're used follow the link. They are used here too.
You can change the position of topics in the contents tree using drag and
drop or rightclick:
Up,Down,Left Up,Right Down.