Performance is about delivering results.
It’s about aligning all contributions and taking affirmative action.
It’s about overcoming obstacles to make use of our full potential.
And it’s about improving results when everybody performs.
YesP on Performance

Performance: The execution of an action; something accomplished
The act of performing; the carrying into execution or action; achievement; accomplishment; representation by action; as, the performance of an undertaking of a duty. The performance of a person (or machine) is how well they do a piece of work or activity. Webster's Collegiate Dictionary, 10th Edition.1995.
The act of doing something successfully; using knowledge as distinguished from merely possessing it
Adapted from WordNet 2.0 Copyright 2003 by Princeton University

”Performance is about achieving set goals within given conditions.”
“To improve profits, customer satisfaction and employee satisfaction.”
”To reach significant results by aligning all individual performance.”
“Involvement (true interest, commitment) to attain specific, measurable results.”
”To deliver expected results and do it the right way.”
Swedish CEOs responses to a survey on performance, 2004.