Future in the trading refers to the future contract where you buy the shares with specific future pricing and delivery. So the context here for future is deciding the future pricing for the share. This share option is known as future trading. It is popular among units such forex, cement, chemicals, pharma and food.
Most of the IT and the other sectors are not much traded into the future exchanges. If you know how to do the forex trading then you won't be having problem trading in future. As the base principle behind future and the forex is pretty much the same. The units are traded with the future delivery and pricing in mind.
However do note that each stock exchange has different rules and policies for future trading. For example, New york and singapore both have different means of future trading. And london stock is even different compared to the other stock exchanges in context of future trading.