In one word definition of finance is as the art and science of managing money. Virtually all individuals and organizations earn or raise and spend or invest money.
Finance is concerned with the processes, institutions, l markets, and instruments involved in the transfer of money between individuals, businesses, and governments.
Financial management is concerned with the acquisition, finance, and management of assets with some overall goals in mind.
Definition of finance
According to B.O. Wheeler, “Business finance is that activates which is concerned with the acquisition and conservation of capital funds in meeting the financial need and overall objective of business enterprise.”
According to Dr. R.E. Gloss & Dr. H. Baker, “Business finance is concerned with the sources of funds available to enterprise of all sizes and the proper use of money or credit obtained room such sources”

At last, we can say that the study of money within the firm; the business function responsible for finding funds, managing them, and determining their best use is business finance.
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