Apparatus and method for providing additional information according to rotary input

Various embodiments are rotatable input module, a display, a memory, and a processor coupled to the memory, the processor, once detecting a rotational input of selection input module, associated with the first information displayed on the display generating second information, the first information and the second the second, depending on the rotation type display in the display, and the second information, the first information and the second set to at least a display by changing some of the information device and its operation It may include a method. Further, it is possible other embodiments.