Needs that may not have been stated but are actual needs. [ ISO/IEC 25000 ]
Other Definitions
Implied Needs [ ISO/IEC 9126-1, ISO/IEC 14598-1 ]: Needs that may not have been stated but are actual needs when the entity is used in particular conditions.
Notes
Implied needs are real needs which may not have been documented. [ ISO/IEC 9126-1 ]