Definition of "Performance" :
noun: any recognized accomplishment
"They admired his performance under stress."
noun: the act of performing; of doing something successfully; using knowledge as distinguished from merely possessing it
"They criticised his performance as mayor."
noun: the act of presenting a play or a piece of music or other entertainment
"We congratulated him on his performance at the rehearsal."
noun: a dramatic or musical entertainment
"They listened to ten different performances."
noun: process or manner of functioning or operating
"They compared the cooking performance of each oven."