The root of the navigation tree is named LTS Model. The sub node Declarations is used for declarations of global variables, systems, and assertions. The next sub node is Processes. It is the collection of processes which can be included to the certain system. Please refer to the Global Definition to know how to define a system.

There are 3 item in the Navigation Tree menu. Just right click to acces the menu.
1. Add process: Right click on sub node Processes to add a new process
2. Delete: Right click on a node of a process to delete it.
3. Process Detail: Right click on a node of a process to edit the name, and parameter of that process.