performance - the act of presenting a Enjoy or perhaps a bit of tunes or other enjoyment; "we congratulated him on his functionality in the rehearsal"; "an impressed overall performance of Mozart's C minor concerto" The assembly of visual things into a collective percept, that distinguishes objects from backgrounds, https://hectorxglqt.blogocial.com/the-basic-principles-of-illusion-of-kundun-mu-online-71479160