= DomainDrivenDesign =
 * https://techbeacon.com/app-dev-testing/get-your-feet-wet-domain-driven-design-3-guiding-principles.
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the essence of DDD is profoundly simple: capture the domain model in domain terms, embed the model in the code, and protect it from corruption. 
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 * Understand the business, business logic independently of the tech used
 * Capture the domain model, in domain terms, through interactions with domain experts.
 * Embed the domain terminology in the code.
 * Protect the domain knowledge from corruption by other domains, technical subdomains, etc.