[ Dion's eyes follow his indication, though there is no true need. They both know what the object of discussion is. Their world is absent such gaudy displays. ]

I have heard the sound wherever such technology is used, though how noticeable it is varies.

[ He suspects it's a sensitivity owed to being unaccustomed, for others don't seem to take notice or grow distracted by it. ]

Not all buildings use such lights. Most that do aren't so...colorful.