Elaboration and complexity are two other traits typical of a creative thinker. He will constantly refine an idea until only he is able to remember all the details. Yet the more complex the task becomes, the more clear it becomes to its creator. Without writing down anything, he will be able to explain the process in excruciating detail. Curiosity, willingness to take risks, and originality relate to each other too.
Inventors are the most curious people.
They look at something which for you and me would be a minor annoyance and use that problem as a springboard to an invention. People sometimes ask me how I find my layouts for calligraphy. I try things until I find something that works better than anything else I've found - and it's never the first thing that came to mind. Imagination is the ability to visualize the solution to a problem. Instead of the mystical notion we often have of it, creativity is really learning to use one's thinking skills.