Lynne has done a good job explaining it in the longer training version...lol WA Rank and how it benefits YOU! ~Jude

It means very simple: help yourself to help others as much as possible and thereby to be a pro.

I was looking to help someone with a question before bed and just look who got here first! Upsgirl's answer is excellent.
It is all about paying it forward. You learn by helping and networking with others. Your rank will make more sense to you as each day passes. It is an algorithm I have yet to break, however, I know it is fair.
Do what you can every day. It is the smartest site to spend your time on.
The quality and experience of the membership is second to none.

The ranking system is determined by helping in the Community, offering advice and tips, creating training, and supporting each other.
Click on Ambassadorship, on the left.
You will be able to see your point system.