piano chord
D7sus4
D1G4A5C♭7
A dominant seventh with the fourth standing in for the third.
What is true of it
D7sus4 is D, G, A and C — 1, 4, 5 and b7 counted from D.
On an instrument that cannot reach all 4, the 5 goes first, in that order.
D in other shapes
C7sus4C♯7sus4D♭7sus4D♯7sus4E♭7sus4E7sus4F7sus4F♯7sus4all 374