بعضی ها مثل موسیقی وتئاتر منظم هستند، ‫اما بیشترشون بی نظم و ناموزون هستن ‫که آنها را سر و صدا می‌نامیم. 
Some of it is controlled, like music or theater, but most of it is chaotic and incoherent, which some of us refer to as noise. 