What does the idiom home is where the heart is?

The idiom "home is where the heart is" suggests that a person's true home is not just a physical place, but rather wherever they feel love, comfort, and emotional connection. It emphasizes the idea that the essence of 'home' is rooted in relationships and personal sentiments rather than mere location. Essentially, it conveys that home can be found in the presence of loved ones or in a place that holds deep personal significance.