1. A communication device comprising: a microphone; a speaker; an input device; a display; a camera; an antenna; a voice communicating implementer which implements voice communication by utilizing said microphone and said speaker; a sound caller ID implementer which outputs a specific sound from said speaker which corresponds to the caller of incoming call; an auto time adjusting implementer which automatically adjusts the clock of said communication device in accordance with a wireless signal received by said antenna; a calculation implementer which implements mathematical calculation by utilizing digits input via said input device; a word processing implementer which includes a bold formatting implementer, an italic formatting implementer, and/or a font formatting implementer, wherein said bold formatting implementer changes alphanumeric data to bold, said italic formatting implementer changes alphanumeric data to italic, and said font formatting implementer changes alphanumeric data to a selected font; a stereo audio data replaying implementer which replays audio data in a stereo fashion; a digital camera implementer, wherein the output from said camera is stored in said communication device with the image quality identified by the user in advance to said output; a multiple language displaying implementer, wherein the user interface displayed on said display is shown in the language selected by the user of said communication device; a caller's information displaying implementer which displays a personal information regarding caller on said display when a phone call is received; a communication device remote controlling implementer, wherein said communication device is remotely controlled by a computer via a network; an icon software implementer, wherein the software program indicated by an icon is executed when said icon is selected; a stereo audiovisual data replaying implementer which replays the audio portion of an audiovisual data in a stereo fashion; and an SOS implementer, wherein when a specific call is made from said communication device, a current geographic location data which indicates the current geographic location of said communication device is transferred via said antenna.