The CBS ICON is an EYE, which is a three letter word. The EYE is a symbol of the CBS television network, which has been in operation since 1927. It is one of the oldest and most successful networks in the United States, and its iconic EYE logo has become synonymous with the network. The EYE is also used to represent the network's commitment to quality programming and its dedication to providing viewers with the best possible entertainment experience.