They are referring to software structure and decomposition. This is a hard problem that spans architectures; you can have a poorly factored microservice archit

They are referring to software structure and decomposition. This is a hard problem that spans architectures; you can have a poorly factored microservice architecture, just as you can have a poorly factored monolith. These two posts from Shopify are good: https://shopify.engineering/deconstructing-monolith-designing-software-maximizes-developer-productivity https://shopify.engineering/deconstructing-monolith-designin... https://shopify.engineering/shopify-monolith https://shopify.engineering/shopify-monolith