31. The system of claim 20 , wherein the processor has a lock release function of limiting and releasing access to the semantic menu.
31. The system of claim 20 , wherein the processor has a lock release function of limiting and releasing access to the semantic menu. 33. The system of claim 31 , wherein the lock release function is provided by any one method among a pattern method, in which the semantic menu is locked and released by a specific pattern, a password method, in which the semantic menu is locked and released by a password input, and a bio-signal method, in which the semantic menu is locked and released by a bio-signal, such as a voice or a fingerprint.