| Subject | English | Thai |
| comp., MS | hierarchical address book | สมุดที่อยู่แบบลำดับชั้น (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 | เมนูแบบลำดับชั้น (A type of drop-down menu that appears when a user points to a command on a higher-level menu) |
| comp., MS | hierarchical namespace | เนมสเปซแบบลำดับชั้น (A namespace, such as the DNS namespace or Active Directory namespace, that is hierarchically structured and provides rules that allow the namespace to be partitioned) |