BS EN 60908:1999, IEC 60908:1999

Diameter - A measurement across a circle passing through the middle

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

compact - Carefuly designed to ensure an item has a minimal physical size

Audio - Also known as sound. An audible vibration wave which can be heard.

disc - A round flat object often used in reference to a computer storage media

Components - Multiple items used to complete the product.

Compact - something that has a lot combined within a small space.

Equipment - A product or good that is tactile.

Dimensions - The shapes and angles of something or a situation.

Reproduction - A process of making a copy of something.

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.