A Marketing strategy is a process that can allow an organization to concentrate its limited resources on the greatest opportunities to increase sales and achieve a sustainable competitive advantage. - Wikipedia
A Marketing Strategy is a strategy that integrates an organization's marketing goals into a cohesive whole. Ideally drawn from market research, it focuses on the ideal product mix to achieve maximum profit potential. The marketing strategy is set out in a marketing plan. - BusinessDictionary.com
A Marketing Strategy is the result of decisions being made about how a particular product or service will be promoted to its target customers. Marketing strategies are used to increase sales, launch new products and generally provide profit for a company. Strategies involve the construction and implementation of the marketing mix. The marketing mix, which is also known as the five Ps, refers to the product, price, packaging, promotion and place or distribution. - WiseGeek