A kind of message is a form of communication that can be sent from one person to another. The four crossword solutions for this term are TEXT (4 letters), ERROR (5 letters), WIRE (4 letters), and TELEX (5 letters). TEXT is an electronic message sent via a mobile phone or computer, while ERROR is a mistake in a message or communication. WIRE is a message sent through a telegraph system, and TELEX is a message sent through a teleprinter system.