If there’s anything about your app that you think might be confusing to an app reviewer, put something in Notes. Don’t leave this box blank. It can save you from the painful sting of rejection and accelerate the sweet celebratory joy of acceptance.
In conversations with some people at Apple, we’ve confirmed that app reviewers pay special attention to this box. It’s not there for fun, it’s there for you to communicate directly with the app reviewer and provide context for them to use in their review.