There are moments people approach architects with nothing in hand, but just the idea of a project to be realised. When an agreement is reached with an architect some things are required from a client before any project can begin. 

Ziwu lists out a few things to prepare beforehand when approaching an architect, for when an agreement is reached and a project is to begin. These things will help the architect to better understand your project and the problem(s) they can be able to solve for you.