According to investopedia, definition of:
Investing is the act of committing money or capital to an endeavor (a business, project, real estate, etc.) with the expectation of obtaining an additional income or profit.
An investment is an asset or item that is purchased with the hope that it will generate income or will appreciate in the future. In an economic sense, an investment is the purchase of goods that are not consumed today but are used in the future to create wealth. In finance, an investment is a monetary asset purchased with the idea that the asset will provide income in the future or will be sold at a higher price for a profit.
In financial markets, trading refers to the buying and selling of securities, such as the purchase of stock on the floor of the New York Stock Exchange (NYSE).
Day trading – the act of buying and selling a financial instrument within the same day, or even multiple times over the course of a day, taking advantage of small price moves – can be a lucrative game.