Market Share Analysis is grounded in the concept of 'Market Share,' which represents the portion of sales a company captures within its industry. Understanding market share is crucial for businesses to assess their competitive strength and market position. Another foundational concept is 'Sales Forecasting,' which predicts future sales and helps in understanding potential market share changes.

'Competitive Analysis' and 'Competitive Positioning' are essential when conducting Market Share Analysis. By examining competitors' strengths and weaknesses through 'Competitive Benchmarking,' businesses can identify areas where they can improve or capitalize on opportunities. 'Porter's Five Forces' is a strategic tool that helps in understanding the competitive forces within an industry, which can impact a company's market share.

'Customer Analysis' and 'Market Segmentation' are crucial for Market Share Analysis as they help businesses understand different customer groups and tailor their strategies accordingly. 'SWOT Analysis' (Strengths, Weaknesses, Opportunities, Threats) provides a comprehensive framework for identifying internal and external factors affecting market share. Finally, understanding 'Industry Trends' and conducting thorough 'Industry Analysis' ensures that businesses stay informed about market dynamics and can anticipate shifts that may influence their market share.