Subject Area Folders
Each subject area may have fact folders and dimension folders. Folders may have subfolders.
- 
            
Fact folders contain attributes that can be measured, meaning that they're numeric values.
 - 
            
Dimension folders may hold attribute columns or hierarchy columns.
- 
                  
An attribute represents a piece of information about an object. Values may be dates, IDs, or text.
 - 
                  
A hierarchy contains values with parent-child relationships. Only Perspective folders provide hierarchy columns.
 
 -