What do the PDE icons in Eclipse mean?

问题

Following the question "What do the icons in Eclipse mean?" that has an excellent answer

I hope to find what all the icons and icon decorations of the "Plug-ins" and "Plug-ins Dependencies" views of the PDE

回答1:

I can fill in most of those:

Main Icons

: Plugin

: Fragment

Overlays

: Re-exported by parent plugin

: Optional import

: Exists in the target platform (not the workspace)

来源：https://stackoverflow.com/questions/17277288/what-do-the-pde-icons-in-eclipse-mean