공연, 성과, 또는 기계의 작동 성능 등을 의미하는 performance의 약어.
A shortened form of performance, referring to an artistic presentation, the execution of a task, or the functioning of a machine.
예문:
"The critics praised her vocal perf in the new musical."
"The quarterly sales perf exceeded all our expectations."
"We need to optimize the app's perf for older devices."