Here's a picture. I hope it helps you understand. All this stuff should be straight forward. first you look to see if the blue line crossed the purple, then you check to see where the Stoch is (if you're going long, it should be below 80 and headed up; short is above 20 and headed down), then look at the RSI (above 50 for long, below 50 for short), then look at the MACD (for long, the green should be on the positive side or going that way, for short it should be on the negative side or going that way)
In this pic, I netted 2.5 pips. Not much. I'm still practicing and just wanted to have a win for the day. I could have stayed in it longer to see where things went. At one point I was up 6 but was hoping for more. If you notice, right when I exited, the Stoch began to go down and so did MACD. Anyway, I hope this pic helps you see it more clearly. Also, if you look back a few hours, at 12:00 on the 18th there was another long signal and had I entered I probably would have gotten 20-40.