fund means funds are months of money that is available to be spent, Especially money that is given to an organization or person for a granular purpose, esp given to an organization for a specific purpose. Capital

English meaning: capital is a large sum of money which you use to start a business, or which you invest in order to make more money. capital; Capital

is explained in the above English, and it can be found that capital only refers to the funds used for commercial trade and some economic aspects, while fund refers to the funds used for a certain purpose, which are usually used for public welfare.