Related Clues:

• 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
• ''It's for,'' for short