Related Clues:

• It's passed in class
• Do as asked
• Folding money
• Post-it, e.g.
• Brief communication
• Post-it message
• Do, for example
• Do as you're told
• Memorandum
• Memory jogger
• Hypnotist's imperative
• A security
• Act the robot
• Do, re or mi
• Semiquaver, e.g.