Hi jenny7,
I understand that I have put too much information into my last post. I'll try again:
the 20-year charts in level 4 consist of two numbers in each sector. These two numbers are called mountain star (on the left) and water star (on the right). Each sector has a pair.
Annual stars change every year in February and consist of only one number in each sector.
Annual stars and the star pairs of the 20-year chart can interact.
The "mountain" of your front door has nothing to do with stars but is the traditional word for facing direction. A house can face mountain SW3 or N1 etc. The 24 subdivisions of the compass are traditionally called "mountain".
I hope this explanation is better.
All the best,
Astrid
