A future is an agreement to buy or sell something at future point in time. A currency future is when that agreement is on an FX market.
Other Trading Basics
How big companies finance short-term cash flow.
Like bonds but without the coupon, instead, the APR is determined by the discount the agreements are entered into and the length of time to repayment.
For example, a blue chip company might borrow $9.95m dollars today and repay $10m in a month’s time.