Note 1 to entry: The objective evidence needed for a verification can be the result of an inspection or of other forms of determination such as performing alternative calculations or reviewing documents.

Note 2 to entry: The activities carried out for verification are sometimes called a qualification process. In short, verification gives the confidence that the system was built correctly to meet identified requirements and specifications.

Note 3 to entry: In the case of software specifically, verification is conducted at various stages of development, examining the software and its constituents to determine conformity.