Voicings

Csus2

Rootless ii-V-I
C2 G2 D3 G3 D4 G4Loading piano…
  1. C2R
  2. G25
  3. D32
  4. G35
  5. D42
  6. G45

Guide tones carry the chord's sound: the 3rd (4th on sus chords) and the 7th (or 6th).