The reputation system, as you have noticed, is a sub part of the points system. It also works with points.
In each posts, if the feature is activated, small buttons to rate the post will be apparent. Each positive or negative rate can make you win or
lose reputation points.
The number of points won or lost can be modified and can be customized for each categories.
The button "Thanks" allows a member who created a topic to thank the user who wrote the message that it considers most appropriate. The post then
This option will display a button "thanks" in the topic that you started, and you can click it once by topic if you feel that the reply given by the member is the most relevant.
You can see + and - to the right of other ppl replys and posts, this is how you build you reputation points, if someone clicks + the your rep points go up, and if someone clicks - then your rep points go down.
If you are the member thats thanked by another member then the post that you where thanked for will turn blue and you will recieve 3 rep points.