An inspection involves checking something, i.e., examining and assessing something. We may inspect a building or organization to make sure that it meets specific standards.
In measurement technology and metrology, calibration is the comparison of measurement values delivered by a device under test with those of a calibration standard of known accuracy.
ISO creates documents that provide requirements, specifications, guidelines or characteristics that can be used consistently to ensure that materials, products, processes and services are fit for their purpose.