TV: by radio waves or by wire to the large areas of broadcast audio, images, media programs, collectively referred to as broadcasting.  Only the transmission of sound, called the sound broadcasting; broadcast images and sound, known as the television broadcast.

 In a narrow sense, is the use of radio waves and radio wires, only voice communication content.

 Broadly speaking, radio, including one we usually think of sound broadcasting and television co-existence of sound and image.