a small candle also known as a nightlight, they burn for hours and are contained in a thin metal casing, if left to burn for long enough , the wax will completely liquefy. They can come in many exciting scents and colours but are most commonly white and without a scent. people put them floating in a glass of water or in a small patterned cup or lantern to decorate, create an atmosphere or jazz up an area.

tealights are little candles that are encased in tin and used to warm things up. they burn for long times, and are sold at tesco barhill.
they are very poor at giving off light, as they a small, but they arehot seeing as they are like, flame.