4413217e_mera_modes_for__anyway____CNET__Description
[Mode] Candlelight [Uses] Any night or low-light scene in which you have a central subject, like a person, illuminated by an attractive, nonglobal light source, such as candles, lava lamps, stage lighting, and so on. [Description] 
This mode is a variation of Night Portrait, but usually without flash in order to preserve the ambiance of the light.
What are all those camera modes for, anyway? - CNET