Final answer:
Piet Mondrian is known for using straight lines, primary colors, and rectangles as universal elements in his work.
Step-by-step explanation:
Piet Mondrian is known for using straight lines, primary colors, and rectangles as universal elements in his work. An example of this can be seen in his painting Composition with Yellow, Blue and Red (1937-42), where he divides the canvas into rectangles of primary colors using straight vertical and horizontal black lines.