The Golden Ratio, also known as the Divine Proportion, is approximately 1:1.618. It is believed to be aesthetically pleasing and has been observed in various natural forms and artistic compositions.

Composition refers to the arrangement of visual elements within an artwork, including the placement of objects, colors, and lines, to create a unified and aesthetically pleasing whole.

Repetition is a design principle that involves repeating elements, such as shapes, colors, or patterns, to create a sense of unity, rhythm, and visual interest.

Harmony in music refers to the pleasing combination of different pitches played simultaneously or in succession, creating a sense of consonance and coherence.

The Electromagnetic Theory explains the behavior of light as electromagnetic waves and how different wavelengths of light correspond to different colors perceived by the human eye.

Composition in architecture refers to the arrangement of spaces, elements, and forms within a building to create a unified and aesthetically pleasing design.

Emphasis in design involves creating a focal point or point of interest to draw the viewer's attention to a specific element or area within the composition.

Fractal Geometry is a branch of mathematics that studies patterns and relationships in nature and art that exhibit self-similarity and repetition at different scales.

Balance in design refers to the distribution of visual weight within a composition to create a sense of stability and equilibrium.

Perspective in visual art refers to the techniques used to create the illusion of depth and distance on a two-dimensional surface, making objects appear closer or farther away.

Contrast in design involves the use of contrasting elements, such as light and dark, large and small, or smooth and rough, to create visual interest and tension.

Melody in music refers to the arrangement of notes in a specific order to create a recognizable and memorable tune.

Evolutionary Aesthetics is a theory that proposes that our perception of beauty and aesthetics is influenced by evolutionary factors, such as mate selection and survival.

Proportion in architecture refers to the pleasing relationship between the sizes and dimensions of different elements within a building, creating a sense of harmony and balance.

Repetition in design involves repeating a design element at regular intervals to create a sense of rhythm, movement, and visual interest.