/ˈbækˌlaɪtɪŋ/ –noun
a controlled technique of lighting, used in photography or the theater, in which a light is placed behind or at right angles to an object, person, or scene to produce such effects as depth or separation of subject and background.
... i've been playing around with light lately ... trying to achieve this flare and backlighting effects ... it's coming ... but what i don't see is the depth or separation of subject and background ... keep trying.