* Formal: "While the overall strategy is clear, we need to discuss the nitty-gritty details of implementation."
* Informal: "I'm not interested in the big picture, just the nitty-gritty of how this thing actually works."
* Figurative: "Let's cut through the fluff and get down to the nitty-gritty of this problem."
* Emphasis: "The nitty-gritty is that we're running out of time and need to make a decision."
* Specific: "The nitty-gritty of running a business includes managing finances, hiring staff, and marketing."
The key is to use "nitty-gritty" to refer to the specific, detailed, and often less glamorous aspects of a topic or situation.