The phonetics of a word is a written record of how the word is pronounced by a native speaker of that language. You can use phonetics to record the sound of words from a dialogue or to learn how to pronounce certain words or terms.
Return on Investment ROI. Definition, Meaning Explained, Example Calculation. ROI is a popular general purpose metric for evaluating capital purchases, projects, and programs, as well as investments in stock shares and the use of venture capital. Return on Investment (ROI) is a popular financial metric for evaluating the financial consequences of investments and actions.
By definition, the ROI ratio calculates as net investment gains divided by total investment costs. 1  Analysts normally present the ROI ratio as a percentage. 2  A positive result such as ROI = 24.0% means that returns exceed costs. 3  The opposite kind of result, a negative ROI such as â12.7%, means that costs outweigh returns.