Identify the elements and principles in product design being described in the sentence. 1. The linear marks made with pen or brush or the edge created when two shapes meet. 2. It is a self-contained defined area of geometric or organic form. 3. It is primary blended with secondary and intermediate colors. 4. This is the juxtaposition of opposing elements eg. Opposite colors on the color wheel. 5. In painting, it is the visually satisfying effect of combining similar or related elements while in visual design it means all parts of the visual image relates to and complements each other.