Strategy _ similar to business strategy, marketing plan will capture strategies required to support your business strategy. For example if your business goal is to achieve 20% increase in sales, your marketing strategy would be to 1) introduce new product, 2) increase price for premium offerings, 3) recruit more distributors and offer commission scheme and so on. Strategy is king. When you can see your business in totality, I can assure you that you will find it easier to manoeuvre. Marketing plan is the place to address all these issues.
Strategic analysis: consists in continuous scanning of the macro_ and micro_environment. The accent should fall on the consumers' needs that change very rapidly in the online market, as well as on surveying the competitors' actions and evaluating the opportunities offered by new technologies.