Please click on the description in the branches. This will take you to the specific topic below on this page. From there you can click to reach where you want to go to.
If the tree below is folded in you must unfold it first in order to make the click in the image work.
You can also find this documentation online. If you look there you can comment on each page on the bottom. Doing this you can for example let other users know how to use TSEP, how to trick and tweak it.