Note 1 to entry: The term "topic", i.e. product, process or service, has been adopted to encompass the subject of standardization in a broad sense, and should be understood equally to cover, for example, any material, component, equipment, system, interface, protocol, procedure, function, method or activity.

Note 2 to entry: Standardization may be limited to particular aspects of any subject. For example, in the case of shoes, criteria could be standardized separately for sizes and durability.