What is the significance of descriptive statistics?

What is the significance of descriptive statistics? How can they be applied to your area of nursing? Give some examples.
text Book :
Text and materials: Ruth M. Tappen. (2022). Nursing Research. Advanced Nursing Research: From Theory to Practice. (3rd ed). ISBN-13: 978-1284231755 ISBN-10: 1284231755. Publisher: Jones & Bartlett Learning Publication Manual APA 7th Edition