Storage location for Data, Apps and Library. If you use Dropbox, OneDrive or GoogleDrive then your development work can be synced between devices automatically (Filesystem | Dropbox | OneDrive | GoogleDrive).
The database directory where your databases are located.
The apps directory where your apps are located.
The library directory where your libraries are located.
The template directory where your templates are located.
The deployment directory. This should contain apps, data and library sub-directories. It can be on a network drive to provide shared App and Data access.