Related Clues:
- 'Oh, also ...,' in text messages
- Business-env. letters
- 'Eyes only' abbr.
- 'Incidentally,' in chat rooms
- Business envelope abbr
- Memo abbr
- Envelope abbr
- E-mail heading: Abbr
- Memo-directing abbr
- Top-of-memo abbr
- Start of an aside, to tweeters
- Memo-routing abbr
- Bus. envelope abbr
- Texter's "Oh, before I forget ..."
- Business-envelope abbr