The type of lamp that is used in a luminaire. ie: GLS, SON, SOX MBF etc.

The lighting technology that is applicable to the specific luminaire. Typically: compact fluorescent - CF, fluorescent - FL, incandescent - INC, metal halide - MH, miniature reflector incandescent - MR, parabolic incandescent - PAR, tungsten halogen - TH.

a physical emitter of radiation such as a candle, a tungsten bulb, and natural daylight

The light source for a fibre optic system. The light source will contain a lamp and an optical system to focus the light onto the common end of the harness. It may also contain filters for infrared and UV light, and devices such as colour wheels for special effects. May also be known as the source or projector.

The object that produces the light. For electric lighting, a lamp; for daylighting, the Sun

The type of lamp used in an LCD monitor.

Any object that gives off its own light, natural or artificial (the sun, stars, incandescent lights)