A spatial representation of the notes in each Western diatonic mode on a single guitar string. Each indicates a fretted note, and the equals a whole step (or skipped fret). The top indicates the root (or tonal center) of the mode).
ionian
(major)
Maj7
dorian
--
m7
phrygian
--
m7
lydian
--
Maj7
mixolydian
--
7
aeolian
(minor)
m7
locrian
--
m7b5