| Subject | English | Tamil |
| comp., MS | hierarchical address book | படிநிலை முகவரி புத்தகம் (A feature of Outlook that allows members of an organization to be displayed in a tree view control, grouped by department) |
| comp., MS | hierarchical menu | படிநிலை மெனு (A type of drop-down menu that appears when a user points to a command on a higher-level menu) |