involving or consisting of many elements in a complex relationship
a technique for transmitting two or more signals over the same telephone line, radio channel, or other medium. Each signal is sent as a series of pulses or packets, which are interleaved with those of the other signal or signals and transmitted as a continuous stream
a technique for sending two or more signals over the same telephone line, radio channel, or other medium. Each signal is transmitted as a unique range of frequencies within the bandwidth of the channel as a whole, enabling several signals to be transmitted simultaneously