CONTROL DEVICE, SYSTEM, AND PROGAM

To allow a user to more intuitively grasp processing executed in accordance with an operation. There is provided a control device including: a reception unit that receives an operation on at least one operation unit, and a control unit that sets, as a specific function, a function of executing at least one processing in accordance with contents of the operation received by the reception unit, and controls a notification unit to perform a notification in accordance with each of processing executed by the specific function.