Your question is Defending a Design Process. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Tell me about a time you had to walk cross-functional partners through your exact design process on a complex product surface. How did you move from ambiguity to a final layout and interaction model, especially when stakeholders had competing opinions?