If I do use backlight, it's not to separate the subject from the background; I use it to set a psychological mood, or to create a look.

Compared to individuals with hypoplasia or dysplasia of the corpus callosum, individuals with CAG showed a significantly greater frequency of isolated corpus callosum abnormalities (without associated central nervous system defects), hippocampal anomalies, Probst bundles, and colpocephaly.

[Owl:] You recalls one year we went into the business of makin' resolutions for folks— [Turtle:] Yep an' we near got killed. [Owl:] Nemmine that...

As I writer, I always keep a dictionary close at hand.