Workspace
This dialog allows you to select some environment options as well as install optional packages for your project. To open it go to Tools | Workspace.
The Workspace page provides options like Build manager type selection. More information is provided by the in-line help.
Macros - Custom Macros can be defined and used in other configuration dialogs that accept file paths, eg., Symbol File, Program File dialogs. Using Macros you can easily change the location from where many files are loaded.