This document discusses key principles and elements of design including function, aesthetics, scale, proportion, rhythm, balance, contrast, emphasis, unity, harmony, space, line, color, proximity, text size and creating images. It explains that good design requires both function and aesthetics. The principles provide guiding rules while the elements are the tangible parts that can be manipulated. Examples are given to illustrate concepts like scale, rhythm, and contrast to improve readability. The document encourages breaking rules and offers tips for creating jpeg images in PowerPoint.