Related Clues:

• Take heed of
• Short communication
• Jogging instrument?
• Quaver, say
• Jotting on a Post-it
• Sol, la or ti
• Jotted item
• Broadway's 'Me ___ Girl'
• Memory jogger, maybe
• Note from the brass
• Sticky Note, e.g
• Margin jotting
• Boss-to-employees communication
• Promissory __
• A or E, or an IOU for that matter