Price data can change very much from every day and still conceal if the price is growing or decreasing. You see even a more general picture if you watch the price moving averages on higher time frames.
E = Entry (In) (might be SHORT or LONG)
O = Out (Exit)
Bars crosses EMA 9 for Entry (or with EMA9/20 crossover). Out could be with EMA9/20 intersection.
The "O?" markers stands for EXIT when you think pips are enough at this point.
igorad: What we should to do with EMA 55 and EMA 120?
EMA 55 and EMA 120 point out the global trend, so you can stay longer in your position and it gives more a comprehensive picture, when in volatile markets EMA 9 and EMA 20 crosses more times but the global trend EMA 55 and EMA 120 goes in the other direction. So you could running different strategies with different TF's.
The special breaks at EMA 55 and EMA 120 lines are a kind of confirmation for longer term strategies.