# The User Interface [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [User Guide](Help%20System/GSTARCAD/2022/User%20Guide/(User%20Guide).md) [Toolbars and Menus](Help%20System/GSTARCAD/2022/User%20Guide/The%20User%20Interface/Toolbars%20and%20menus.md) The frequently used commands, settings and modes can be visited via the toolbar and the menu. [The Command Window](Help%20System/GSTARCAD/2022/User%20Guide/The%20User%20Interface/The%20Command%20Window.md) The command window is a dockable and resizable window, where you can display commands, system variables, options, messages and prompts. [Design Center](Design%20Center.md) In the Design Center, you can manage layer definitions, block references, xrefs and other contents like layouts and text styles. [Customize the Drawing Environment](Help%20System/GSTARCAD/2022/User%20Guide/The%20User%20Interface/Customize%20the%20Drawing%20Environment.md) You can customize many elements of the working environment to fit your needs. [Tool Palettes](Help%20System/GSTARCAD/2022/User%20Guide/The%20User%20Interface/Tool%20Palettes.md) Tool palettes are tabbed areas within the Tool Palettes window and they can be used to organize, share and place blocks.