Economics is the social science that analyzes the production, distribution, and consumption of goods and services.

Economics is the social science that studies economic activity to gain an understanding of the processes that govern the production, distribution and consumption of goods and services in an exchange economy.

A brand is a product or service whose dimensions differentiate it in some ways from other products or services designed to satisfy the same need. A brand can take many forms, including a name, sign, symbol, color combination or slogan. wikipedia.org

Proofreading (also proof-reading) is the reading of a galley proof or computer monitor to detect and correct production-errors of text or art. Proofreaders are expected to be consistently accurate by default because they occupy the last stage of typographic production before publication. wikipedia.org

Investment is the purchase of an asset or item with the hope that it will generate income or appreciate in the future and be sold at the higher price. wikipedia.org

A fact checker is the person who checks factual assertions in non-fictional text, usually intended for publication in a periodical, to determine their veracity and correctness. The job requires general knowledge and the ability to conduct quick and accurate research. wikipedia.org