Related Clues:
- Business-envelope abbr
- Incidentally, in IMs
- Business letter abbr
- Mail-routing abbr
- Abbr. before some addressees
- Letters followed by a colon
- Start of a memo heading
- Business env. letters
- Routing abbr
- Incidentally, in text messages
- Texter's afterthought lead-in
- Texter's "Meant to tell you"
- Fax abbr
- Memo heads-up
- Meant for, for short