Well, honey, if you see a green porch light, it might mean someone's smoking weed. Blue lights could signal someone's popping pills. And if you spot a red light, well, that could mean someone's cooking up some meth. Just remember, colors don't always mean the same thing everywhere, so don't go knocking on doors expecting a pharmacy.
Yellow porch lights are bug lights. By bug light I mean they are not supposed to attract bugs as bad as regular light bulbs.
I have a pink porch light up for breast cancer awareness after recently losing someone close to me.... Green in November to honor our vets blue when a police officer is murdered to honor our men in blue.... Purple for domestic violence awareness
The different flashing lights on the Roomba vacuum mean refer to different status of the battery.
In some places a red porch light means drug dealer or prostitution.
They were born with it
increased intra ocular pressure
Blinking lights on a laptop are a way of sending signals to the users. All of the lights mean different things. For a listing of what the lights mean on your laptop please see the manual that came with the laptop.
It means you are home.
Which light?, there are a lot of different lights.
They mean different thing to different people, to me they are little stars shimmering in the dash to others they are warnings from the car
See related links. There isn't a universal standard.