(1) A computer monitor that is also a smart TV. For example, the screen can be split and Windows or Mac applications can run in one side while a streaming channel can be viewed on the other. See
smart TV.
(2) A tablet that serves as an additional display screen to a desktop computer.
(3) A baby monitor that is more than a video camera and sound detector. For example, it may be able to send alerts to mobile devices when the baby cries or room temperature changes, as well as play calming music, control room lighting and record events. See
smart.