Technical analysis is the art of using trends, patterns and oscillators to predict future prices in the forex market based on historical data.

The job of the technical analyst in the forex market is to create high probability winning trades. As long as the technical analyst can win more than he loses the forex market will pay out. A good money management strategy will be vital here as we all know you can't be right everytime.
Technical analysis has two main types of indicators. Leading indicators try to determine the determine the movement before it occurs and are more risky but more profitable. Lagging indicators try to find moves that have already started and are less risky thus less profitible. Unfortunately there is no risk free method.
Through education and experience you will soon have the odds in your favour. Patience, prudence and hard work will enable you do develop a long term winning strategy.