Memo ltrs

• Letters on a memo
• Memo-heading inits
• Corkboard posting letters
• Letters before a heads-up
• Interoffice letters
• "Just so you know ...": Abbr
• "Just like to mention this," initially
• Letters atop some memos
• "Here's something interesting," in brief

Wikipedia Word definitions in Wikipedia
FYI is a common abbreviation of " for your information ". "FYI" is commonly used in e-mail, instant as on messaging or memo and messages, typically in the message subject, to flag the message as an informational message, with the intent to communicate to ...