1. Introduction

2. Data and Data Reduction

3. The multiple photometric components along the CMD of NGC 2808
   3.1. The quintuple RGB
   3.2. Multiple populations along the MS
   3.3. Chemical composition of stellar populations

4. Carbon, Nitrogen, Oxygen, and Helium of stellar populations from multiple MSs and RGBs

5. RGB bump of the stellar populations

6. Comparison among the ΔY from the different methods

7. The Horizontal Branch

8. Multiple populations along the AGB

9. Discussion