BS EN 61196-3:1999, IEC 61196-3:1998

Electric - A general term for the flow of electric charge

Computer - A programmable electronic machine which stores and manipulates data.

Radio - A device used for listening to audio transmissions

Frequency - A term used to describe how often something is done

Frequency - A wave frequency is the number of times a wave repeats within a given time

Cable - A series of wires bonded to form a single thread

Colour - The categorised spectrum of light visable to humans

Electrical - Something that requires electricity to work.

Specification - A description of a product with the details of its attributes.

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