Answer:
Product
Explanation:
Interaction design is a practices of designing interactive digital products and services in such a way it perfectly or closely mimic the way humans communicate and interact in real life scenario. or it can be rephrased as creating a user experiences that augment the way people work, communicate and interact.
interaction design sometimes goes beyond just creating digital products it also useful when creating physical ones.
It has one line of symmetry
1. I believe it this, they way the question is phrased it seems like a personal opinion. But if we're being logical about this, no one likes background noise. So,yes, it's important.
2. Yes, when you record something you don't want additional sound that has nothing to do with what you're recording.
3.Yes, your main task is to be focused on what you're doing on the computer. You don't want to be distracted by unnecessary distractions.