Emitter: Display Tab
This tab controls the appearance of particles in the editor along with the head-up display (HUD) and the modifier field display.
Note the presence of the 'quicktabs' interface element at the beginning of the section. In the above screenshot, there are three quicktabs and the selected tab - 'Particles' - is shown with a white background.
Each quicktab has its own manual page to reduce the time spent trying to find information in a very long page.
The available quicktabs are: