functionality - the act of presenting a play or maybe a piece of new music or other amusement; "we congratulated him on his overall performance for the rehearsal"; "an impressed general performance of Mozart's C slight concerto" But in the review printed in March in the journal Scientific Experiences https://touhoudanmakukaguraphanta20875.bloguerosa.com/34668166/considerations-to-know-about-illusion-of-kundun-mu-online