Select the most appropriate meaning of the given Idiom:- "Tone-down"

The correct answer is option 3- Improving something in such a way so as to make it less extreme or harsh.

The idiom "tone down" means to make something less intense, forceful, or conspicuous, typically in terms of speech, behavior, or appearance. It involves reducing the level of something, such as emotions, language, or actions, to make it more moderate or acceptable in a particular context.