What is the difference between Firm and Enterprise?

The term Firm is a company as a whole, as i found in some definitions. the company is a business organization. A Business is also known as a firm or enterprise. then both firm and enterprise under the umbrella of business.

in some definitions enterprise is modern expression than firm and in other definition enterprise is a project, project defined as a collaborative enterprise frequently involving research or design that is carefully planned to achieve a particular aim, this definition prove definition number one as we know in modern business no business achieve without briefly research and investigations.

Hozaifa Zaki