Stereo refers to a method of sound reproduction that creates a sense of depth and direction in audio. Unlike mono sound, which comes from a single channel, stereo uses two channels to simulate how we naturally hear sounds in our environment. This allows listeners to experience music and other audio in a more immersive way, making it feel as if the sounds are coming from different directions. In a typical stereo setup, you might find speakers placed on either side of a music player or home theater system. This arrangement helps to create a fuller sound experience, enhancing everything from concert recordings to movie soundtracks. With stereo sound, listeners can enjoy a richer and more engaging auditory experience.