Certain window terminology varies in the United Kingdom. The window object is automatically localized in the Vectorworks program for users with a United Kingdom serial number; however, since the documentation is not localized, the terminology does not match. This table shows how the terms are mapped.
| U.S. Term (in Documentation) | U.K. Term (in Vectorworks Program) | 
| Transom | Fanlight | 
| Rough Opening | Structural Opening | 
| Muntins (Leaf and Transom) | Glazing Bars | 
| Colonial (Muntin Style) | Georgian | 
| Prairie w/sunburst (Muntin Style) | Prairie w/ Fan Top | 
| Colonial w/sunburst (Muntin Style) | Georgian w/Fan Top | 
| Mullion (Transom) | Transom Bar | 
| Trim | Architraves | 
| Interior Trim | Interior Architraves | 
| Exterior Trim | Exterior Architraves | 
| Masonry Opening (Data) | Nearest Full-Module of Masonry | 
| Window Configurations | Window Configurations | 
| Fixed Glass | Fixed Light | 
| Single Hung | Sliding Sash (lower) | 
| Double Hung | Sliding Sash (upper and lower) | 
| Casement | Side-Hung Casement | 
| Bi-Parting Casement | Double-Hung Casement | 
| Awning | Top-Hung Casement | 
| Hopper | Bottom-Hung Casement | 
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