Related Clues:

• Terse note from the boss
• Memo from upstairs
• Note next to a red F, maybe
• Boss's directive
• Ominous note from the boss
• Angry instructor's note
• Boss's terse note
• Teacher's note on a failing test
• Boss's "We need to talk"
• Note accompanying an F, maybe
• 'If only you could ___ now'
• 'Come up and ___ sometime'
• Note that means 'we need to talk'
• Boss's terse summons
• 'F' accompanier, perhaps