“Memo” vs. “Message”: What’s the Difference?

The difference between “memo” and “message”

• Memos are written messages or reminders, while messages are meant to communicate content from one person to another.
• Memos are often informal and short, while messages can be either informal or formal and can vary in length.
• Memos are often written on small scraps of paper or Post-it notes, while messages can be delivered in various formats including oral, written, or electronic.

What is the definition of “memo” and “message”?

Which is the more popular variant on the Internet?