Jazz/cadential staple: ii–V–I. Often extended with 7ths/alterations (e.g., Dm7–G7alt–Cmaj7). Enables smooth voice-leading via functional predominant → dominant → tonic motion; common in turnarounds, reharmonizations, and modal interchange.
More in the
Chord Progressions
category...
AKA:
ii–V–I
2-5-1 cadence
two–five–one