Online Documentation:

Real Estate mode: https://docs.google.com/document/d/1BeqVe5539c43kH3HYrnzV2ex_rbyq5CjtsfN81mkDj4/edit?usp=sharing
Car Sales mode: https://docs.google.com/document/d/1JfStbW9XH1LcHWe1TM-97Wx6TuGclUoM-buW4KOtmw4/edit?usp=sharing