guys.....please
i just want to present the article about "environmental lighting" not HDR or HDRI....please put the HDRI aside for a mint...
you know the environment lights in vue to make the mood of the environment we want to create....or
environment lights in industrial part to make same mood of the environment we want to create....
i am talking about that environment not the HDR or HDRI you are saying....

i think my question is very simple
What is environment lighting?