summing up an abbreviation is a shortening of a word or a phrase an acronym is an abbreviation that forms a word an initialism is an abbreviation that uses the first letter of each word in the phrase thus some but not all initialisms are acronyms
ROI, or return on investment, is a common business term used to identify past and potential financial returns. Managers and executives look to the ROI of a project or endeavor because this indicates how successful a venture will be.
The Return on Investment (or the ROI) is an equation that measures the efficiency of an investment. Basically, itâs the quotient of the difference between the gain from an investment and the cost of investment, and the cost of investment: