What does RES stand for?

Response

A return message to a computer that made a request. After capturing a request, the PCA server then processes and assembles packets in search of the response to that request. A response may be in text or binary form. In OSI, a service primitive issued by a service user to complete the procedures associated with a confirmed service. In speech recognition, the character string returned by the recognizer, through DVT_Client, to the state table.