Messages[symbol] gives all the messages assigned to a particular symbol.

Mathematica uses its symbolic architecture to provide a convenient modular framework for generating and managing messages, both in programs and interactive sessions.

Mathematica has a general mechanism for handling messages generated during computations. Many built-in Mathematica functions use this mechanism to produce error and warning ...

$Messages gives the list of files and pipes to which message output is sent.

The standard set of messages for built-in Mathematica functions are written in American English. In some versions of Mathematica, messages are also available in other ...

Mathematica usually goes about its work silently, giving output only when it has finished doing the calculations you asked for. However, if it looks as if Mathematica is ...

Messages displays the Messages notebook.

Message[symbol::tag] prints the message symbol::tag unless it has been switched off. Message[symbol::tag, e_1, e_2, ...] prints a message, inserting the values of the e_i as ...

symbol::tag is a name for a message.

$MessageList is a global variable that gives a list of the names of messages generated during the evaluation of the current input line.