Medium-exchange refers to the process of exchanging or transferring something through a medium, usually a communication channel. There are many synonyms for medium-exchange, such as communication, transfer, exchange, transmission, conveyance, dissemination, and transportation. Communication refers to the transfer of information or messages between people or groups, while transfer is a more general term that can refer to the movement of any kind of object or item from one place to another. Exchange and transmission both specifically refer to the exchange of information or signals, while conveyance and dissemination refer to the spreading or sharing of information. Transportation usually refers to the physical movement of goods or people from one place to another, but can also refer to the transfer of information.