A crisp sheet of paper lies before you. An arsenal of reference books and design manuals are close at hand. The graphite tip of the pencil maintains a threatening but eager point that could rip a hole in even the most durable piece of vellum. The light has been adjusted precisely, as are the drafting table, stool, and temperature of the room.
All systems are go.
Let the design begin. There is something missing. You've forgotten to unlock the door. To be creative is to be imaginative. One may ask if creativity is a trait that can be learned or taught.