If business is now a global affair, then the export-import business is important, lucrative and necessary. An export-import agent is not a broker --- the agents are lower on the business totem pole.
Most properties are measured using a number and a unit of measurement. The unit of measurement is a standard amount. The number compares the property to that standard amount. This means a tree that is ten times as tall as a meter stick is 10 meters tall.
Performance can be expressed in non-financial and financial terms. Measurement refers to numerical information that quantifies input, output, and performance dimensions of processes, products, services, and the overall organisation (outcomes). Performance measures might be simple (derived from one measurement) or composite.