Performance is defined as acting, singing, playing an instrument or otherwise showing a craft to a group of people.
(noun)An example of performance is a symphony playing at a town hall.
The definition of performance is how effective something or someone is at doing a good job.
(noun)See performance in Webster's New World College Dictionary
noun
Origin: LME parfourmaunce < MFr
See performance in American Heritage Dictionary 4
noun
Learn more about performance