A distinctive competence is

a) a competitively important activity that a company performs better than its rivals.

b) an activity that a company performs proficiently that is also central to its strategy and competitive success

c) whether customers are aware of the competence and view the competence positively enough to boost the company's brand-name reputation

d) an activity that a company has learned to perform with proficiencya capability, in other words

e) whether the competence is one of the industry's key success factors.