This places fixtures at between 3/4 and 7/8 of the height of the door and lets those approaching the door knock or gain entry without glare in their eyes. Lights need to be high enough to illuminate the immediate porch area and steps within a few feet of the door.
intermediate definition an intermediate is a substance formed during a middle step of a chemical reaction between reactants and the desired product examples in the chemical equation
6. an intervening agency, means, or instrument by which something is conveyed or accomplished: Words are a medium of expression. 7. one of the means or channels of general communication, information, or entertainment in society, as newspapers or television.