Separates the elements of a design into circle levels.

▪ Clean architecture was created by Robert C. Martin and

promoted on his blog, Uncle Bob.

▪ Organize code with encapsulates the business logic.

▪ Keep the core business logic and application domain at

the center of the solution structure that independent with

presentation and data access layers.

▪ Clean architecture divided into two main elements: the

policies and the details.

▪ The policies are the business rules and procedures

▪ The details are the implementation code to carry out the policies

▪ Focus on the policies and business logics that build on

project requirements

▪ The internal layers contains the business rules and has not

dependency of any third-party library. 

https://www.educative.io/blog/clean-architecture-tutorial