Related Clues:

• Path for Apollo
• Curve shape
• Rainbow, for one
• Not the shortest line between two points
• You may step on it
• Space path
• Lunar action
• Compass course?
• Go up in the middle
• Garden access
• Smiley face smile
• Part of a sector
• Go in circles
• Parenthesis, e.g.
• It doesn't go full circle