Products
A product function is how a product satisfies customer needs. Non-functional aspects of a product define its quality. For example, a bicycle may have a bell that functions as a safety device to make your presence known to pedestrians and other bicyclists. Non-functional aspects of a bicycle include the durability of its tires such as tires likely to last 5,000 miles.Services
The functions of the front desk in a hotel includes processes and procedures such as a check-in process. Non-functional elements include the professionalism of employees, the speed of the service and the visual appeal of the front lobby.Information Technology
A function of a software application is something a user can accomplish with the tool such as the the ability to calculate a business metric. Non-functional characteristics of software are quality considerations such as the usability, learnability, maintainability, reliability and availability.| Functional vs Non-Functional | ||
Functional | Non-functional | |
Definition | Relating to use and operation. | Relating to quality and resilience. |
