Candlestick chart is very similar to the Bar chart, however, it is easier to see as it is in a more friendly format. They are the oldest and most usable way for presenting the price movement. They are used in Japan in XVI century for first time.
However, in candlestick charting, the larger block (or body) in the middle indicates the range between the opening and closing prices.
Here is an example of candlestick body: