How to write a Creative Brief
The key to creating successful communication is good planning and good teamwork. Being able to communicate what you want, clearly and simply is vital. If you don't know what you want you wont beable to ask someone to produce it for you.
One of the first steps in the process of creating good communication is writing a Brief. this is the way to communicate to the specialist designer who will be producing work for you. Even if you are one and the same person, the thoughtful planning that is needed in creating a brief will repay itself many times if you invest time at the beginning of the process.
This is a stub article and I think Wikipedia has a lot more to say here http://en.wikipedia.org/wiki/Creative_brief.
Make sure you write a brief!