Symmetry: Symmetry refers to a balanced arrangement of parts that are identical or similar on both sides. For example, in art or architecture, symmetrical designs often create a sense of harmony and beauty.
Proportion: Proportion refers to the relationship between different elements in terms of size, quantity, or degree. In beauty and aesthetics, proportion plays a crucial role in creating balance and visual appeal.
Harmony: Harmony refers to the pleasing combination of different elements that work together cohesively. It involves finding a balance between contrasting or complementary aspects to create an aesthetically pleasing result.