Maslow's Hierarchy of Needs
1.Biological and Physiological needs - air, food, drink, shelter, warmth, sex, sleep.
2. Safety needs - protection from elements, security, order, law, limits, stability.
3. Belonging and Love needs - work group, family, affection, relationships.
4. Esteem needs - self-esteem, achievement, mastery, independence, status, dominance, prestige, managerial responsibility.
5. Self-Actualization needs - realizing personal potential, self-fulfillment, seeking personal growth and peak experiences.