NFC is a wireless connectivity technology that makes possible short range communication between electronic devices. This technology evolved from a combination of contact less identification and networking technologies, It is the ultimate technology for connecting all types of consumer devices and enables rapid and easy communications. It is the perfect solution for controlling data in our increasingly complex and connected world. Its intuitive operation makes it particularly easy for consumers to use, while its built-in security makes it ideal for payment and financial applications.
So in brief it is an easy to use wireless communication interface. Target can be easily selected by simply holding two devices close to each other.