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
Definition of Agile. 1  moving quickly and lightly; sleek and agile as a gymnast; as nimble as a deer; nimble fingers; quick of foot; the old dog was so spry it was halfway up the stairs before we could stop it.  mentally quick; an agile mind; nimble wits.