Image forming apparatus and host computer capable of sharing terminology, method of sharing terminology and terminology sharing system

A host apparatus capable of sharing terminology information and a peripheral device, a method of sharing the terminology information, and a terminology information sharing system. The host apparatus includes a communication module to provide a communication interface between the host apparatus and the peripheral device, an information sharing unit to share terminology information related to a plurality of functions of the peripheral device, and a user interface unit to operate the plurality of functions of the peripheral device and to display the shared terminology information related to each of the plurality of functions. Accordingly, the peripheral device and the host apparatus use identical terminology information related to the functions of the peripheral device.