In simple terms, Lumens (denoted by lm) are a measure of the total amount of visible light (to the human eye) from a lamp or light source. The higher the lumen rating the “brighter” the lamp will appear.
WHAT IS LUMENS IN LIGHTING, 2022 GUIDE ON LIGHTING
Lumens: The New Way to Shop for Light Bulbs – Online Lighting
What Are Lumens And Why Do They Matter - Universal Lighting
What is Lumen?
What are lumens? - Igan iluminacion
What are Lumens
Lumens Explained, Free Conversion Guide Watts to Lumens
What Are Lumens in LED Lights - Comprehensive Guide
Everything you need to know about lumens
What are lumens and watts?
How Many Lumens are Needed for Outdoor Lighting - The Home Depot
What are luminous flux and luminous intensity? - Beneito Faure
Brightness (Lumens)
Ellie D: What Are Lumens? - Lighting Company