Explanation:

- Equity: Ensures fair opportunities for all, reducing inequality and promoting inclusive growth.

- Sustainability: Focuses on meeting the needs of the present without compromising future generations.

- Productivity: Boosts economic growth and development while enhancing human capabilities.

- Security: Involves a sense of stability that allows people to go about their daily lives without fear.

Correct Answer: Option 4, 1, 2, 3, and 4. All the concepts - equity, sustainability, productivity, and security - are pillars of human development as outlined by the United Nations Development Programme.

.