Listen to Your Tools and Materials

Design principles are intended to guide us as we create models and ultimately code. They discipline the way we use our materials to create an artifact, whether it´s a GUI mockup, a UML diagram, or a piece of code. In this view, design is a monologue: the designer shapes the material. The material isn´t talking back, except by assuming the shape we impose into it. Reflections in action and on action are learning concepts that let us view software engineering as a conversation with our design materials