Supertonic

Tonic: The tonic is the first degree of a major or minor scale and serves as its home base. It provides stability and resolution.

Mediant: The mediant is the third degree of a major or minor scale and adds color and emotion to melodies and harmonies.

Dominant: The dominant is the fifth degree of a major or minor scale, playing an important role in creating tension and resolving it within diatonic progressions.