A text summary of the clickable map above, meant for web-crawlers and other automatic tools:
intervals are contained in harmony
intervals has instance unison
intervals has instance minor second
intervals has instance major second
intervals has instance minor third
intervals has instance major third
intervals has instance perfect fourth
intervals has instance augmented fourth
intervals has instance diminished fifth
intervals has instance perfect fifth
intervals has instance minor sixth
intervals has instance major sixth
intervals has instance minor seventh
intervals has instance major seventh
intervals has instance octave
intervals has quality consonance
intervals has quality dissonance
intervals part of melody
intervals is/are basis of harmony