core competency

or core competence


a skill needed in order to be successful at a job or other activity: Several core competencies have been identified as critical to the success of every student.
a particular area of knowledge or expertise that gives a business a competitive advantage: The automaker's core competency is sports cars.

Origin of core competency

First recorded in 1990–95 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019