RTS

1. Short for Request To Send, RTS is a signal sent by a communications device, such as a modem, to verify if the other device is ready for data to be sent to it.
2. Short for Real Time Strategy, RTS is a type of strategy game that occurs immediately instead of giving each player a turn or waiting for an opponent to finish. Some example of RTS games are Age of Empires, Starcraft, Warcraft.

Also see: DTR, Game definitions, Modem, RXD