Messages work just like chats, but they allow you to send private messages to friends who are offline—that is, friends who aren't currently signed in to Facebook.In this sense, messages are similar to a traditional email service.Messages are sent as chats if the person you’re messaging has Message , Rich Communication Services (RCS) and a data connection.Otherwise messages will be sent as text or picture messages.Also known as instant messaging, this is a popular way to communicate online.If you've never used an instant messaging client before, you may want to review the Chat and Instant Messaging lesson in our Beyond Email tutorial to learn more about the basics.
If you're using a mobile device, you won't be able to send or receive messages within the Facebook app.
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Facebook chat and messages allow you to communicate privately with your friends on Facebook.
If you're using a mobile device, you'll need a separate app called Facebook Messenger to send chats and messages.
You can communicate in real time with your friends using Facebook chat.