For purposes of this chapter the term—
((1)) “outcome measure” refers to an assessment of the results of a program activity compared to its intended purpose;
((2)) “output measure” refers to the tabulation, calculation, or recording of activity or effort and can be expressed in a quantitative or qualitative manner;
((3)) “performance goal” means a target level of performance expressed as a tangible, measurable objective, against which actual achievement shall be compared, including a goal expressed as a quantitative standard, value, or rate;
((4)) “performance indicator” refers to a particular value or characteristic used to measure output or outcome;
((5)) “program activity” means a specific activity related to the mission of the Postal Service; and
((6)) “program evaluation” means an assessment, through objective measurement and systematic analysis, of the manner and extent to which Postal Service programs achieve intended objectives.