Those indicators are representing the percentage of NYSE stocks that closed above their 20/50/100 and 200 day moving average price line. Those indicators are breadth indicators that measure the internal strength or weakness of the their underlying index.
Bullish: Stocks Above Moving Average above 50 (percent)
Bearish: Stocks Above Moving Average below 50 (percent)
Watch out for divergences between the market and advancing issues
Percentage of NYSE Stocks Above Their Short-Term Moving Average