Cyclopedia of Congressional Budget Law
A performance measurement is when an assessment is made of the result, effect, or consequence from carrying out a program or activity compared to its intended purpose.
GAO Glossary of Terms and Definition (September 2005)
The ongoing monitoring and reporting of program accomplishments, particularly progress toward preestablished goals. It is typically conducted by program or agency management.
Performance measures may address the type or level of program activities conducted (process), the direct products and services delivered by a program (outputs), or the results of those products and services (outcomes).
A program may be any activity, project, function, or policy that has an identifiable purpose or set of objectives. (See also Performance Budgeting; Government Performance and Results Act.)
Permanent Indefinite Appropriation