ICT is a general term for science and technology related to information and communication. In particular, it is a technology to store, process and transmit information using machines and instruments applying physical phenomena and laws such as electricity, electronics, magnetism, electromagnetic waves and so forth. “”IT”” (information technology: information communication technology) is used as almost synonymously, IT is established in Japan, but internationally ICT is better. The “”IT policy outline”” of Ministry of Internal Affairs and Communications changed its name to “”ICT policy outline”” from 2004 and it is also becoming established in Japan. There are cases in which ICT can be given the meaning of communication based on the technology (such as the Internet). In addition, IT sometimes distinguishes information technology itself such as the principle aspect of computer and digital communication, ICT by nuance such as application and application of information technology to society and life.