When a company is able to proficiently perform an internal activity that is central to its strategy and competitiveness, it is said to have Copyright by Glo-Bus Software, Inc. Copying, distributing, or 3rd party website posting isexpressly prohibited and constitutes copyright violation a valuable capability. a competence in performing the internal activity. a core competence in performing the internal activity. a distinctive competence in performing the internal activity. a competitive advantage over rivals