Tabs & Panels
Tabs
Tabs are used to avoid overlapping of sections, i.e. contents of one tab are visible at a time.
Panels
Panels are the smallest organizational unit in UI.
Panels can contain subpanels.
Blender Manual in Computer Graphics
Blender is a free and open-source 3D creation suite that helps create anything you want, including animated movies, 3D printed models, virtual reality apps, motion graphics, visual effects, interactive 3D games, and more. Being that it runs on macOS, Linux, and Windows which makes it a cross-platform application. It has small memory and drive requirements as compared to other 3D creation suites.