Meaning of “performance” - Learner’s Dictionary

performance

noun uk us /pəˈfɔːməns/
ENTERTAINMENT [ C ]

B1 acting, singing, dancing, or playing music to entertain people:

a performance of Shakespeare's Hamlet
SUCCESS [ U ]

B2 how successful someone or something is:

The company's performance was poor for the first two years.
Some athletes take drugs to improve their performance.

(Definition of “performance” from the Cambridge Learner’s Dictionary © Cambridge University Press)