Services are defined as

the activities provided to complement a tangible good, such as technical support for a computer.

the human $($nonmechanical$)$ component that is part of the manufacturing process.

the intangible activities or benefits that an organization provides to satisfy consumers' needs in exchange for money or something else of value.

philanthropic activities performed without expectations of monetary remuneration.

any activity required for the production of a good that cannot be completed "inhouse" and must be outsourced to another firm.