1.a dramatic or musical entertainment;
they listened to ten different performances
2.the act of performing; of doing something successfully; using knowledge as distinguished from merely possessing it;
they criticised his performance as mayor
3.the act of presenting a play or a piece of music or other entertainment;
we congratulated him on his performance at the rehearsal
4.process or manner of functioning or operating;
the power of its engine determine its operation
5.any recognized accomplishment;
they admired his performance under stress