DDD is a way to build computer programs that helps make them easier to understand and use. It's like building with blocks: you start with small, simple blocks and put them together to make bigger, more complex structures.
In DDD, we use something called "domains" to organize our blocks. A domain is like a group of blocks that all have something in common. For example, if we were building a program about pets, we might have a domain for dogs, a domain for cats, and a domain for birds.
Inside each domain, we use something called "entities" to represent the things in our program. An entity is like a specific block that has its own unique properties. For example, in the dog domain, we might have an entity for a specific dog with properties like its name, breed, and age.
We also use "value objects" to represent things that don't have a unique identity, but are still important. For example, in the dog domain, we might have a value object for a dog's collar, which would have properties like its color and size.
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