This document provides an overview of key principles of design discussed in Chapter 7 of the textbook World of Art. It covers various types of balance (symmetrical, asymmetrical, radial), emphasis and focal point, scale and proportion. Specific artworks are analyzed in examples to illustrate symmetrical balance in works by Leonardo da Vinci, the Taj Mahal, Enguerrand Quarton and Frida Kahlo. Asymmetrical balance is demonstrated through works by Johannes Vermeer and Childe Hassam. Diego Velazquez's Las Meninas is used to show multiple focal points in a composition.