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The Importance of Domain-Driven Design
Domain-driven design gives you principles, ideas, and a framework to work through. That helps us to think about what is a domain and what is a problem space. A coffee shop could be an entire domain in itself because it's like a vertical slice of a business that has all its own rules. And then you may have sub-domains off of ordering. So that would be one example. I think another example I use in the book is like a wallet. Like, within that wallet you might have various different debit, credit, and less relevant these days, but maybe cryptocurrency would be in your wallet too.