The chord notes on the

The notes of the D7 chord
D, F♯, A, C
The scale degree of a 7 chord
1, 3, 5, ♭7 (♭=half step down)
Display total frets:
D7 chord note names

7 chords in all keys

C7 chordC, E, G, A♯
C♯7 chordC♯, F, G♯, B
D7 chordD, F♯, A, C
D♯7 chordD♯, G, A♯, C♯
E7 chordE, G♯, B, D
F7 chordF, A, C, D♯
F♯7 chordF♯, A♯, C♯, E
G7 chordG, B, D, F
G♯7 chordG♯, C, D♯, F♯
A7 chordA, C♯, E, G
A♯7 chordA♯, D, F, G♯
B7 chordB, D♯, F♯, A