Explanation:

- Death Rate: This is the number of deaths per thousand people in a given year. It helps in understanding mortality levels in a population.

- Correct Answer

- Gross Reproduction Rate: Calculates the number of daughters a woman would have assuming no mortality, during her childbearing years. It's a fertility measure.

- Crude Rate: A basic rate of occurrence without adjustments for population structure, such as age.

- Birth Rate: The number of live births per thousand of the population per year. It provides insights into population growth patterns.