Finance refers to the issuance, circulation and withdrawal of money, the issuance and recovery of loans, the deposit and withdrawal, the exchange of foreign exchange and other economic activities.
Finance is to realize the equivalent circulation of value and profit after the re-integration of existing resources.
Professionally speaking, the process from savings to investment can be narrowly understood as financial dynamic monetary economics.
Finance is the behavior that people make decisions on the optimal allocation of resources in an uncertain environment.