They are predictable. They will be known by their habits. We know that he will react well to that . They are organized in time and space. Their work areas are neat and clean.
Orderly persons are dependable.
You can rely on their projects coming in on time and within budget. These are all good features of orderly persons - but they might be dull and boring. Creative persons tend to be chaotic. They are less predictable - coming up with bright ideas at the most unexpected times. They may be less economical, less dependable.