Pacific Ocean region (POR): The area of the Earth centred on the Pacific Ocean covered by a range of satellites (2) in geostationary Earth orbit.
package: A set of programs for a specific task on a computer. The package may include special hardware as well as software.
packet: A block of data beginning with a header and with an optional trailer (3) at its end. It can have a fixed or variable length and may carry error correction codes.
packet identifier (PID): A code allocated to a video, audio or data element (6) of a programme in an MPEG-2 transport stream. Some PID values are reserved for carrying details of the program specific information (PSI).
packetized: Describes a data stream which has been split into packets.
packet switching: Dividing ...