For every post/thread/profile message/friend/day since register you will get points.
These points were known as power points, but are now credits.
They may change back one day, you never know.
Here is a guide on how many you will get.
Post = +3
Thread = +11
VM = +2
Per Friend=+2
Since register per day =+2
Staff get some too!
Mod = 500 on becoming a mod/1000 every sunday
Admin = 1500 on becoming an admin/2000 every sunday
Even retired staff..!
100 when retiring
200 every sunday
Hope this helps!