Configurable GN4 user interface consists of main menu with drop-down menus, context menus (right-click and others), toolbars, keyboard and mouse shortcuts, main tabs definitions, navigator, splitters and navigators, results (directory styles, sort rders), searching (search panels and search dialogs), general configurable dialog boxes (new item, edit item, show properties info pop-ups on results, and preview panels.
Note: not all user interface items are configurable. Some are hard-coded and only Tera developers can modify them. Typically, such items are designers that appear on the content tabs (Articles designer, Pages designer, Editions designer, etc).
Use the Table of Contents to find information. See also Using table of contents in help.