The tree list provides parameters:
line height for lists where you can select (between 15/100 and 78/100 inch),
memory area selected for new projects saving (private extended memory, program public extended memory),
report option given when creating new not worked annual days,
the beginning of names given by default when creating projects, tasks, events or groups.
When selecting a line, action bar commands allow to change corresponding parameter.
The options menu allows to call Help.