Answer: Services
Explanation:
Services is the term which refers to the non-physical and the various types of tangible parts in our economy.
The services is basically providing the various types of intangible products like consulting, baking, treatment, education and issuance facilities or services.
It is the term which is difficult for identifying as it is associated with the products and the services. It cannot be transported from the given system.
Therefore, Services is the correct answer.
