This simple Indicator shows: (1) The Direction of a trend (2) The Strength of a trend hence the name "Direction & Strength Indicator.
How to read this Indicator:
Indicator above "resistance area" => strong UP trend Indicator above 0 .................. => weak UP trend
Indicator below 0 .................. => weak DOWN trend Indicator below "resistance area" => strong DOWN trend
Notice that this is a time-lagging indicator. Severity of timelag depends on set period of the indicator! You can also identify overbought and oversold areas. (Tip: Compare to RSI.)