Metrikf(A number used to indicate the cost of a route in the Internet Protocol (IP) routing table that enables the selection of the best route among possible multiple routes to the same destination)
A quantifiable entity that allows the measurement of the achievement of a process goal(Metrics should be SMART - specific, measurable, actionable, relevant and timely. Complete metric guidance defines the unit used, measurement frequency, ideal target value (if appropriate) and also the procedure to carry out the measurement and the procedure for the interpretation of the assessment)