Related Clues:

• Do, for example
• Compass direction
• Music bar
• Memorandum
• Memory jogger
• A security
• Do, re or mi
• Semiquaver, e.g.
• Be rude, in a way
• Do on a scale
• A,B,C or D
• Record, in a way
• First word follower of 17, 64-Across and 11, 29-Down
• Signify
• Pencil end