GDP measures the monetary value of final goods and servicesâthat is, those that are bought by the final userâproduced in a country in a given period of time (say a quarter or a year). It counts all of the output generated within the borders of a country.
Product audit â An examination of a particular product or service (hardware, processed material, software) to evaluate whether it conforms to requirements (that is, specifications, performance standards, and customer requirements). Process audit â A verification that processes are working within established limits.
A review involves the review of a process and does not have a set criteria. It is a continuous improvement activity-not a quality control activity. Both reviews and internal quality audits follow the same basic principle that the review/audit process must be: 1  Evidence based. 2  Efficient. 3  Rigorous.