Without those three questions, most progress will not be made. The questions do not show ignorance or stupidity. It show the willingness to want to understand and learn.
Too often we forget that our experience or expertise over many years has become natural to us, what might seem like a casual process might be difficult for someone else to comprehend.
When a explanation is required, take that as a sign of respect and admiration of the skill set you have acquired, and explain it in the best possible way you can.
Who knows, you might create an honest interest in your speciality and possibly a new friend.