The term "economic" has a few different meanings.
In general, it refers to anything related to the production, distribution, and consumption of goods and services.
More specifically, it can refer to the study of economics, which is the social science that analyzes the production, distribution, and consumption of goods and services.
In a more informal sense, it can be used to describe something that is efficient or cost-effective.
For example, you might say that a new manufacturing process is "economical" because it uses less energy and produces less waste. Or, you might say that a particular product is "economical" because it is a good value for the money.
In the context of economics, the term "economic" is often used to describe something that is efficient or rational. For example, an economist might say that a particular policy is "economically efficient" because it maximizes the benefits to society while minimizing the costs.
It is relating to the economy.