Why are the results of "Compare of density" and "Composition of densities" different?

[#1]

As the title states, I found differences in the result segments when performing density analysis. For example as the follows image, the orange data is not at a high point in "Compare of density", but it is the highest in "Composition of densities". Hope someone can help explain this reason, what is the operational difference between these two methods?

[#2]

Usually when trying to figure out what is going on in JMP report:

1. select "?" from toolbar
2. click with "?" mouse pointer on the part of report you wish to know more about 
3. Help page will open (hopefully) in correct location

https://www.jmp.com/support/help/en/17.2/#page/jmp/the-oneway-platform-options.shtml?os=win&source=a... 

Example of the Densities Options (jmp.com)