Beams shine on a dwelling, but when it comes to absence of people, they stay unnoticed. Properties void of individual presence remain without light. Absence of people to greet the lamp, nobody's residence to brighten. Uninhabited dwellings remain void of illumination, leaving the lamps with no purpose. Glow searches individuals, but in absence of people's home, there's absence of people to brighten.
The lights are on but nobody is at home definition and