Real-time may refer to any of the following:

  1. Sometimes abbreviated as RT, real-time is a process or event that occurs immediately. For example, chat occurs in real-time, where messages are seen immediately after the user presses their Enter key. In comparison, e-mail does not happen in real-time since it could take someone hours, days, or weeks to make a response.

Examples of real-time or near real-time communication

  • Chat (e.g., IRC)
  • SMS or Text messaging
  • Talking on the Phone and VoIP
  • Teleconference
  • Two-way radio communication
  • Videoconferencing
  1. RT is also an abbreviation for Retweet.

Chat terms, Computer acronyms, Non-real time, Real-time animation, Real-time clock, Real-time operating system, Render, Time