Define core competency,competitive advantage, market opportunity and strategic window.
Core Competency- things a firm does extremely well, which sometimes give it an advantage over its competition.
Competitive Advantage- the result of a company's matching a core competency to opportunities in the market place.
Market Opportunity- a combination of circumstances and timing that permits an organization to take action to reach a target market.
Strategic Window-temporary periods of optimal fit between the key requirements of a market and a firm's capabilities.