What is the meaning of lighting a candle at a funeral?

'Lighting a candle' is part of a prayer ritual. The lighting of a candle is used to pray for something or someone. In Church, candles are lit and prayed over for certain intentions. Basically, that's what it means. For more information, click on the 'Related Links' below'. Lighting a candle in Thailand means letting go ones soul. That's basically what it mean?right?