noun
Computing term for a menu structure where items are organized in a tree-like hierarchy, often with submenus.
このアプリの設定は階層型メニューで整理されている。
The settings in this app are organized with a hierarchical menu.
A context menu appears on right-click and is usually flat, not hierarchical.
Compound of 階層 (かいそう, 'hierarchy') + 型 (がた, 'type') + メニュー ('menu'). A straightforward technical term.