tonality

A system or arrangement of seven tones built on a tonic key.

The arrangement of all the tones and chords of a composition in relation to a tonic.

The scheme or interrelation of the tones in a painting.

In music:

The character or quality of tone.

Same as key, 7 .

In painting, the scheme of color of a picture; system of tones.

The principle of key in music; the character which a composition has by virtue of the key in which it is written, or through the family relationship of all its tones and chords to the keynote, or tonic, of the whole.

The system of seven tones built on a tonic key; the 24 major and minor scales.