A performance involves entertaining an audience by doing something such as singing, dancing, or acting.

Someone's or something's performance is how successful they are or how well they do something.

A car's performance is its ability to go fast and to increase its speed quickly.

A performance car is one that can go very fast and can increase its speed very quickly.

The performance of a task is the fact or action of doing it.

You can describe something that is or looks complicated or difficult to do as a performance .