From the latin rete, the term network is used to refer to a structure with a characteristic model. There are many types of networks, such as the computer network, the electric and the social network.
A computer network is a collection of computers and other interconnected equipment that share information, resources and services. This network can, in turn, divide by: scope (local area network or LAN, metropolitan area network, or MAN, said also RAME in french, wide area network or WAN, etc.), its method of connection (coaxial cable, fiber optic, radio, microwave, infrared) or its functional relationship (client-server, person to person), among others.
The electric network, for its part, is that configures electric generators, transformers, lines, transmission and distribution lines, which provide electricity to residential. The system involves different voltages, where the highest are used to the greater distances while tensions are diminishing gradually and as the energy approaches the user facilities.
Regarding the social network, the concept refers to all structures in which several individuals have a relationship of any kind (friendship, trade, sexual, etc.).
The social network saw its meaning change in recent years, to the extent where the term was used in the beginning for promoting Internet sites virtual communities according to the interest. MySpace and Facebook are two of these social networks that bring together millions of users allowing them to exchange messages and archives with other members of the network.