So thanks to the useful responses from others and very inspired by Oliver Lind here is my attempt at first session world building.
https://drive.google.com/file/d/0B8CL5fqRJRz7M2lGWXQzMW1tZUE/view?usp=sharing
The idea is to answer what The World Is and what the World is about and go down the list. Obviously these can lead to even more questions, and especially the races you can have more then one. Also you can change some of the answers, for example I haven’t figured out a way to express in a sentence a world close to terry pratchett or monty python kind of fun and silly world.
I hope people find this useful and I’m going to try it in my next first session.
https://drive.google.com/file/d/0B8CL5fqRJRz7M2lGWXQzMW1tZUE/view?usp=sharing