As in any industry, we have a language that we use and it is not always ubiquitous. We might be saying the same thing but the meaning might vary. Throughout the book, you'll find terms being used in order for you to understand what is being referred to; I'll summarize what hides behind these terms mean.


A message in computer software refers to a unit of communication that contains information that the source wants to communicate to the outside world, either to specific recipients or as a broadcast to all recipients connected now or in the future. The message itself is nothing, but a container holding information to identify the type of the message and the data associated with it. Messaging is used in a variety of ways. One ...

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