Money is the lifeblood of any business. And finance is the study of how that lifeblood circulates.
Finance is about how money is raised, how money is managed and how money is spent.
If you understand finance, you will do much better in the business world. You will be able to more rapidly figure out how to create and sustain value. You will be able to conduct better marketing campaigns. And you will be better positioned to build a sound organization with productive employees. It is also true that people who work in the world of finance tend to do much better if they understand business.