Kingbright L-7104SA/3YD 3mm Yellow LED Tri-level

PCB - Printed Circuit Board

LED - Light Emitting Diode - a small light source

Black - A colour which does not emit any colour of the spectrum. Black absorbs all frequencies of the spectrum.

UK - United Kingdom - An island nation in Europe

Yellow - A primary colour. The sun is often described as yellow

PC - Personal Computer - an electronic device for acheiving multiple electronic tasks including word processing, emails and internet access

edge - Enhanced data rates for GSM evolution also known as enhanced GPRS. A mobile phone technology with improved data transmission rates.

edge - The point at which two surfaces meet

LED - Light Emitting Diode. A bulb that is very efficient at producing light. Often small.

Wide - Something with a large width.

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