Internet

5. the main means of mass communication (broadcasting, publishing, and the internet) regarded collectively.
7. a link from a hypertext document to another location, activated by clicking on a highlighted word or image.
9. protect (a network or system) from unauthorized access with a firewall.

1. a range of frequencies within a given band, in particular that used for transmitting a signal.
2. an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.
3. a distinct subset of the internet with addresses sharing a common suffix or under the control of a particular organization or individual.
4. using radio, microwaves, etc. (as opposed to wires or cables) to transmit signals.
6. a system for connecting a number of computer systems to form a local area network, with protocols to control the passing of information and to avoid simultaneous transmission by two or more systems.
8. wireless networking technology that uses radio waves to provide wireless high-speed Internet access