Definition. Project Cost Management is a group of processes required to ensure the project is completed within the approved budget. Processes. There are following processes which are part of Project Cost Management. Resource Planning; Cost Estimating; Cost Budgeting; Cost Control
The definition of an arbiter is someone who is either qualified to judge or chosen to decide something. Jennifer Lopez is an example of an arbiter for the television show American Idol. 1  a person selected to judge a dispute; umpire; arbitrator.  a person fully authorized or qualified to judge or decide.
As the final arbiter of the law, the Court is charged with ensuring the American people the promise of equal justice under law and, thereby, also functions as guardian and interpreter of the Constitution. The Supreme Court is distinctly American in concept and function, as Chief Justice Charles Evans Hughes observed.