Backlighting refers to illuminating an object or subject from behind. It creates a glowing effect by placing the light source behind the subject, thereby making it appear bright and stand out from the background. Full definition
Both offer HD playback on very good sized, 16:9 aspect widescreen displays and neither make the promise of any kind of LED backlighting of super contrast or colour gamut action. (pocket-lint.com)
The keys have ample spacing and make a satisfying click while you type, and there are three levels of backlight for when you're working in the dark. (windowscentral.com)