In this above indicator, one can plot 3 indicators simultaneously
where, 200ema can be used to watch on-going long term trend, dynamic support levels for an instrument
50ema can be combined with 200ema forming a Golden Cross strategy, 50ema can be used as short term support and resistance as well.
Lastly, 20ema could be your swing entry, exit, pullback support/resistance, triple crossover for an Ambush entry, Retest entry, etc.
it is one of the most versatile setup where you can trade an instrument by crosschecking and confirming with multiple parameter