Related Clues:
- Form of a thank-you
- Marginal jotting
- U.S. anthem lyricist
- Type (in)
- Pay close attention to
- Choirmaster's announcement
- Short memo
- Enter or Caps Lock
- High C, for one
- It'll get you in the door
- Any letter from A to G
- Brief bit of correspondence
- Observe carefully
- It may stick around after the office closes
- Third of a triad