Candle stick analysis is derived from Japan,it shows better visiblity of a day open close with indicative colours green indicates day close is higher than the day open,red indicates day close is lower than the day open, its useful for under standing the buying and selling ,which is normally useful for weekly traders.
Bullish engulfing and bearish engulfing are defined in engulfing pattern.Piercing pattern has been studied.Doji refers to neutral.Hammer and Hanging man.