How does mission, strategies and tactics relate to decision making and distinctive competencies?

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• Mission: The reason for existence for an organization.
• Mission Statement :A clear statement of purpose that serves as a guide for strategy and decision making.
• Strategy: A plan for achieving organizational goals.
• Tactics: The actions taken to accomplish strategies.
  

Strategy Example
Rita is a high school student. She would like to have a career in business, have a good job, and earn enough income to live comfortably

Mission: Live a good life
Goal: Successful career, good income
Strategy: Obtain a college education
Tactics: Select a college and a major
Operations: Register, buy books, take courses, study, graduate, get job

How does mission, strategies and tactics relate to decision making and distinctive competencies?