Related Clues:

• Wheelchair obstacle
• Radial footprint
• Self-help level
• Performer's platform
• One of 12 at Alcoholics Anonymous
• It may leave its mark on the road
• Program part
• Stroller's unit
• One of AA's twelve
• Aerobic instructor's word
• Dance school lesson
• '___ lively!'
• Chorus platform
• Dance component
• Stairway part