Doji Lines - A Doji Line is a type of candlestick

Doji Lines - A Doji Line is a type of candlestick line which depicts a situation in which the open and close prices are the same (or almost the same). Different varieties of doji lines (such as a gravestone or long-legged doji) depend on where the open and close are in relation to the entire range. Doji lines are among the most important individual candlestick lines as many times they predict a shift in, or even a reversal of a current trend.
Trading Considerations

Doji lines often predict a shift in, or a reversal of a current trend.