Candlestick charting is the Japanese version of bar charting. The Japanese used the technique to trade in rice in the 17th century. Candlestick charts and bar charts give you the same information but presented in different graphic forms. Each stick or bar gives you four information, i.e., the opening price; the closing price; the high price; and the low price. The volume is shown at the bottom.
Candlesticks have many fanciful names. To name a few there are: marubozu, spinning top, dogi, hammer, hanging man, dragon fly and grave-stone doji . Each name suggests a different kind of candle and carries with it a different value.
A doctor will listen at your heartbeats, take your blood pressure, and give you and overall examination to evaluate your overall health. But to give you an operation, he has to do many other things as well, like a blood test, x-ray, etc.