I have seen different organizations define those 4 example roles in different ways to fit their internal company culture. Think about it like this: Do you want

I have seen different organizations define those 4 example roles in different ways to fit their internal company culture. Think about it like this: Do you want to manage developers (people leader) or plan products (principle) or be a diplomat (architect)? If you want to focus on leadership then read about leadership. If you want to be a principle then learn about the philosophy of technology design and planning. If you want to be an architect then practice writing and learn to translate between precise technical requirements, user fulfillment, and owner business goals.