M2

• Major Second
• Whole Step
• Tone
• Major Step
• M2
• Solid Red Arrow

m2

• Minor Second
• Half Step
• Semitone
• Minor Step
• m2
• Dotted Red Arrow

m7

• Minor Seventh
• Major Second Inverse
• Leading Tone
• Major Step Inverse
• -M2
• Moving against Solid Red Arrow

M7

• Major Seventh
• Minor Second Inverse
• Minor Step Inverse
• -m2
• Moving against Dotted Red Arrow