Discuss the importance of "traceability" in ensuring that software safety requirements are met throughout the development lifecycle.

Discuss the use of formal methods, such as formal verification and model checking, in ensuring software safety. What are the advantages and limitations of these methods?

Describe the concept of "Technical Debt" in software development. How does it affect software quality, and what strategies can be employed to manage and reduce technical debt?

How can one provide evidence to support their response by presenting a minimum of two examples or scenarios, while also determining the most essential step in the Software Development Life Cycle (SDLC)?

Can you provide me any insight into the software development process metrics? Can we not approach this issue from all possible directions?

Could you write or present a concise argument on quality assurance in software development to demonstrate your awareness of this issue?