No silver bullet, of course, but, like most architectural frameworks, some useful names for concepts that give you the metavocabulary for talking about how to talk about your software systems.
This brief chapter from the O’Reilly Learning DDD book gives a good flavor of some of the value of the concepts it introduces: https://www.oreilly.com/library/view/learning-domain-driven-...
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https://www.amazon.com/Learning-Domain-Driven-Design-Alignin...
It presents the main concepts like a good lecture and a more modern take than the blue book. Then you can read the blue book.
But DDD should be taken as a philosophy rather than a pattern. Trying to follow it religiously tends to results in good software, but it’s very hard to nail the domain well. If refactoring is no longer an option, you will be stuck with a non optimal system. It’s more something you want to converge to in the long term rather than getting it right early. Always start with a simpler design.