Confirmed Reversal: Supertrend reversal that happened in the last bar and cannot be repainted.
Potential Reversal: Supertrend reversal that might happen in the current bar but can also not happen depending upon the timeframe closing price.
Uptrend/Downtrend : Shows all the tickers that are either currently in uptrend or downtrend.
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.