A retailer's strategy involves selecting a target market, developing a retail format, and building a sustainable competitive advantage. Key elements of a strategy include choosing an attractive target market and developing advantages like customer loyalty through branding, unique merchandise, and excellent customer service. Retailers pursue growth opportunities such as market penetration, expansion, new formats, and diversification. Global retailers need advantages like low costs and adaptability to succeed internationally. Developing a strategy is a multi-step process including assessing opportunities and alternatives.