Laser light is a focused and highly concentrated beam of light that falls within the visible spectrum, typically between 400 and 700 nanometers (nm) in wavelength.

Refraction is the bending of a light wave as it passes through different mediums. This phenomenon occurs when light travels from one medium to another with a different refractive index, causing a change in its speed and direction.

Moon lighting, in the context of the lighting industry, refers to a technique used to create a soft and ambient illumination in outdoor spaces, reminiscent of the gentle glow of moonlight.

A lampholder, also known as a lamp socket, provides support and electrical connection for a lamp. It is a device designed to securely hold a light bulb or lamp in place and connect it to the electrical circuit.

Opal glass is a type of glass known for its milky and translucent appearance, which is achieved by adding specific ingredients to clear glass.

A leading edge dimmer, also known as a TRIAC dimmer, is a type of dimming technique commonly used in the lighting industry.

An A15 bulb is a type of A-shaped bulb commonly used in the lighting industry. A-shaped bulbs are widely utilized in residential settings, known for their versatility and popularity.

TM-21 is a term used in the lighting industry to refer to the “Lumen degradation lifetime estimation method for LED light sources” guidelines published by the Illuminating Engineering Society (IES).

Vlogging light refers to the type of lighting used in vlogging or video blogging to enhance the visual quality of the videos.

An E17 bulb, also known as an intermediate base bulb, is a type of light bulb that features an E17 base.