From The Document Foundation Wiki
The application framework, ie. code shared between applications not part of the graphical toolkit pieces:
framework ⓘ ►
desktop ⓘ ► What used to be the desktop in StarOffice 5 - now the binary.
sfx2 ⓘ ►: This is the gui code, much of which is now deprecated.
 ⓘ ► for anything else framework related
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