Choose the correct meaning of the following idiom:

Lean and mean

Using only what is necessary

The correct meaning of the idiom "lean and mean" is using only what is necessary. It describes something that is efficient and effective, without any unnecessary or superfluous elements. The idiom is often used to describe businesses or organizations that are focused on achieving their goals with minimal resources.

The other options are incorrect. "To destroy something" means to cause something to be ruined or damaged. "To create something" means to bring something new into existence. "To use and throw" means to use something for a short period of time and then discard it.