For example, nitty-gritty could be the heart and soul of a matter, the gist of a conversation or the essence of an argument. If you want to focus on only the most important part of a problem, you want to focus on the crux or core.
For example, nitty-gritty could be the heart and soul of a matter, the gist of a conversation or the essence of an argument. If you want to focus on only the most important part of a problem, you want to focus on the crux or core.