Purposeful

Once creative thinkers in all fields have found a problem, they approach it with a sense of purpose. They marshal their abilities and activities towards a certain end. In order to achieve that purpose, they embark on an adventure of building new skills, experimenting, and mastering their craft. They learn how to produce and manipulate the effects they intend to create. If their purpose is unconventional, then their behavior looks a bit unconventional, too.

Same source as listed below.