Bar

A graphical representation of a stock's movement that usually contains the open, high, low and closing prices for a set period of time.

Investopedia Says:
For example, if a technical trader is working with daily data, one bar is the set of quotes for one day. In the case of one-minute data, it is the price data for one minute. Also, if the data is displayed using a candlestick chart, one bar equals one candlestick or in the case of bar charts, one bar is equal to one bar.

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1. In legal procedure, a barrier to relitigating an Issue. A bar operates to deny a party the right or privilege of rechallenging issues in subsequent litigation. The prevailing party in a lawsuit can use his favorable decision to bar retrial of the action.

2. The legal profession.