Describe the concept of separation of concerns in your own words

Describe the concept of separation of concerns in your own words.

2. Why is it necessary to "move on"?

3. Do you agree or disagree with the following statement: "Since we deliver multiple increments to the customer, why should we be concerned about quality in the early increments—we can fix problems in later iterations." Explain your answer.

4. Why is it that many software developers don't pay enough attention to requirements engineering? Are there ever circumstances where you can skip it?