Db minor 13th chord

Dbm13 chord for piano with keyboard diagram.
Explanation: The D flat minor thirteenth is a seven-note chord. For practical reasons the chord is normally played with omitted notes and/or inverted. The chord is often abbreviated as Dbm13 (alternatively Dbmin13).
Theory: The Db minor thirteenth chord is constructed by expanding the minor eleventh chord with a major thirteenth note.