What is defined as money received in exchange for labor, services, or profits?

The term that refers to money received in exchange for labor, services, or profits is best described by the term "Income." This encompasses not only wages and salaries but also earnings from investments and profits from business ventures. Income represents the cash inflow that individuals or entities receive, contributing to their financial stability and growth.

In contrast, revenue typically refers to the total amount of money generated by a business before any expenses are deducted, which encompasses sales from products and services rather than individual earnings. Capital gains refer specifically to the profit realized from the sale of an asset or investment, which may not necessarily involve ongoing labor or services. Assets are resources with economic value owned by an individual or entity but do not directly represent money received for services. Thus, "Income" is the most accurate choice as it directly captures the essence of earnings derived from labor and activities.