To simplify things, all businesses are investments and all investments are not business. But than it is also common way to refer anything that makes you money is also a business. You need money to starting a business, therefore, it is an investment. Anything that generates revenue is a business, when you invest, you generate profit, that makes investment a business. However, let’s not complicate things and define business in simple terms. A business means selling products and services for money. Products and services can be physical or digital. Likewise, when you invest you buy assets or equity and earn money your assets and equity gains value.