i am hard worker and knowledge in content writing. A definition of what a service provides and how it is accessed and used. A service description includes descriptions of the functional and nonfunctional properties of the service, service interfaces, and the legal and technical constraints or rules for its usage. Service descriptions are like product descriptions. But instead of describing tangible goods, you're describing the services that you provide, including what you do, some basics about how you do it and why people should care about the service. Service descriptions are like product descriptions.