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In software, a feature has several definitions. The Institute of Electrical and Electronics Engineers defines the term feature in IEEE 829 as "A distinguishing characteristic of a software item (e.g., performance, portability, or functionality)." 
A system is said to be feature-rich when it has many options and functional capabilities available to the user. Progressive disclosure is a technique applied to reduce the potential confusion caused by displaying a wealth of features at once.
- Apel, Sven; Kästner, Christian (August 2009). "An Overview of Feature-Oriented Software Development". Journal of Object Technology. 8 (5): 49-84.
- IEEE Std. 829-1998