Definition & Meaning of "close to home"in English

What is the origin of the idiom "close to home" and when to use it?

The exact origin of the idiom "close to home" is not well-documented, but its use in English likely dates back many centuries. It is likely derived from the idea that events or situations that occur physically close to one's home are more likely to have a direct impact on one's life and emotions. Over time, it has been extended to describe situations or experiences that are personally relevant or emotionally significant.