It can be defined as rules and principles that states and nations consider binding upon themselves.

The combination of a core product with a bundle of value-adding supplementary elements.

It is most often limited to after-sales service. it involves providing a sensible warranty, ensuring the availability of parts and service, and maintaining communications with customer in case of inquiring, complaint or claim.

A prediction of the cost associated with a particular company project.

It relates to the improving productivity of industrial work process such as mechanization, rationalization etc.

A measure of independence from outside influences.

It is used to describe all person, both related and unrelated, who occupy a housing unit.

It can be classified as production sector and service sector.

A detailed record of all customer complaints received by a service provider.