The term TELECAST SIGNAL COMPONENT can be broken down into three parts: Telecast, Signal, and Component. The first part, Telecast, refers to a television program that is broadcasted over the airwaves or through cable or satellite. The second part, Signal, refers to an electrical impulse that carries information from one point to another. The third part, Component, refers to a part or element of a larger system. Together, these three parts form the term TELECAST SIGNAL COMPONENT, which can be further defined as the AUDIO component of a telecast signal, or the sound portion of a television broadcast.