BS EN 61196-3-2:1998, IEC 61196-3-2:1997

Diameter - A measurement across a circle passing through the middle

Electric - A general term for the flow of electric charge

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

Digital - A system that uses only 0s and 1s to transmit 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

Electrical - Something that requires electricity to work.

Equipment - A product or good that is tactile.

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

Solid - Something that is firm and not liquid, a hard shape that cannot be changed easily.

The British Standards Institution are a non profit making organisation, who produce standards and standard related services, for a variety of industries. The standards that they produce are used as a guideline or definition of the minimum levels certain services and product should reach. The standards are produced by BSI directly, following consultations and public enquiries. At shop.bsigroup.com, you can purchase a variety of standards. They stock documents for industries such as food and drink, engineering, building and construction, energy and utilities, transport and agriculture and farming. If you become a member of their site you can get huge discounts on their standards. They also offer training courses and conferences via their website, or you could take advantage of their online standards tools.