https://www.youtube.com/watch?v=uyOJ2jjBtBs&t=23s

DDD :: Domain Driven Design

https://www.youtube.com/watch?v=eUf5rhBGLAk

https://www.youtube.com/watch?v=QxRXB1B9m8E

https://www.youtube.com/watch?v=4C7mbdVtN2E

https://www.youtube.com/watch?v=LBNDEusYmnc