Beam spread is the dispersion or diffusion of light emitted from a flashlight or light fixture. It is a measurement of the angle at which the light beam spreads out from the center, determining the coverage area and intensity of the light.

Black Light Blue, also known as TL-D/08 Blacklight Blue lamps, is a specific type of low-pressure mercury-vapor fluorescent lamp commonly used in the lighting industry.

Northern lights, also known as the aurora borealis, are a captivating atmospheric phenomenon that occurs in the northern hemisphere. This natural light display is characterized by undulating waves of vibrant green, purple, and red lights dancing across the night sky.

In the lighting industry, a candle refers to a light source primarily used for decorative and ceremonial purposes. It is typically made of materials such as wax or tallow, which have slow-burning properties.

A pendant is a fixture that is suspended from the ceiling by a metal rod, chain, or cord. It is designed to hang down into a space, providing illumination in a specific area.

Wall Grazing is a lighting technique used to enhance the texture and architectural features of a wall. It involves strategically placing lights in close proximity to the wall surface, typically within a maximum distance of 12 inches.

High-Bay Lighting is type of lighting fixture designed for illuminating large areas with high ceilings, typically ranging from 20 to 40 feet or more.

Damp rated lighting is the light fixtures that are designed and constructed to withstand moisture and humidity in indoor or outdoor environments.

Beam angle is the angular measurement that determines the width of the light beam emitted from a light source. It is a crucial factor in lighting design as it directly influences the distribution and direction of light.

An optical system in the lighting industry refers to a collection of components that are used to collect, focus, and manipulate light.