what is leverege....?

Dear agar forex trading ki baat ho rahi hy to leverage bohot hi important cheez hy. trading men leverage ko bohot importance di jati hy Q ke leverage sy hi hum zyada ya km profit hasil kertay hen aur jitna leverage zyada ho ga utna profit b zyada ho ga or age leverage km ho ga to profit b us lehaz sy aaey gaa