Different colors express different moods, for example we often associate red with anger, blue with sadness. So the color can affect the mood set for you artwork. Also, in like abstract drawings it can help you because we often associate colors with certain landscapes.
She has finally started interacting with whites and she is being treated differently for the first time
To me, the golden spiral is the proportional basis that makes the most sense. In a landscape painting the views eye is automatically directed to the center of the spiral and can be used by the artist to put their subject in the eye of the viewer.
In tonal Western classical music (music with a tonic key or "home key"), the most frequently encountered chords are triads, so called because they consist of three distinct notes: the root note, and intervals of a third and a fifth above the root note. ... A series of chords is called a chord progression
