A lighting audit is a comprehensive assessment and evaluation of the lighting system in a facility or site. It involves a thorough examination of the existing lighting fixtures, their performance, energy usage, and overall efficiency.

Circadian lighting is a strategic approach to lighting design that takes into consideration the natural sleep/wake cycles of the human body.

An anchor light, also known as an all-round light, is a specific type of light used on boats or ships to indicate their position or location when anchored or tied to a mooring.

A COB light, short for Chip-On-Board light, is an advanced LED technology widely used in the lighting industry. It involves an array of LED chips that are tightly packed and bonded to a substrate, such as silicon carbide.

Visible light spectrum refers to the range of wavelengths of electromagnetic radiation that can be detected and perceived by the human eye.

An A21 bulb is a type of light bulb commonly used in domestic lighting applications. It is named A21 because it has a diameter of 21-eighths of an inch or approximately 2.625 inches.

In the lighting industry, “Ingress Protection” (IP) refers to a rating system that indicates the level of protection provided by a lighting fixture against solid objects and water.

Recessed lighting, also known as can lighting or downlighting, is a type of lighting fixture that is installed into a ceiling or wall cavity, creating a clean and streamlined look.

A fluorescent tube, also known as a fluorescent lamp or tube light, is a type of lighting fixture that operates using a low-pressure, mercury-vapor gas discharge.

Valance lighting is a type of architectural lighting that involves the use of light sources concealed behind a horizontal shield, typically positioned at the top of a window or along a wall.