Analysis of the marketing environment also includes identifying opportunities in the marketplace, which requires a solid understanding of the company's industry. When the right combination of circumstances and timing permits an organization to take action to reach a particular target market, a market opportunity exists. The SWOT analysis is used to assess an organization's strengths, weaknesses, opportunities, and threats. It is depicted as a four-cell matrix and shows how marketers must seek to convert weaknesses into strengths, threats into opportunities, and match internal strengths with external opportunities to develop competitive advantages. Strengths and weaknesses are internal factors that can influence an organization's ability to satisfy target markets. Strengths refer to competitive advantages, or core competencies, that give the company an advantage over other firms in meeting the needs of its target markets. Weaknesses are limitations a company faces in developing or implementing a marketing strategy.