Accounting or accountancy is the measurement, processing, and communication of financial and non financial information about economic entities such as businesses and corporations.

An investor is a person that allocates capital with the expectation of a future financial return or to gain an advantage. Through this allocated capital most of the time the investor purchases some species of property.

To invest is to allocate money with the expectation of a positive benefit/return in the future. In other words, to invest means owning an asset or an item with the goal of generating income

Stock refers to the ownership units of a company. In American English, these units are collectively called “stock,” representing partial ownership in a corporation and a claim on part of its assets and earnings.