Related Clues:

• Freeway sign
• Sartre's "No ___"
• Editor's order
• Editorial marking
• Editorial strikeout
• Take-out order
• Manuscript notation
• Remove from print, briefly
• Proofing mark
• Labyrinth goal
• Proofreader's notation
• STEP OUT
• Use a fire door
• One way out
• Welcome sight in a maze