# The User Interface [GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [What's new](Help%20System/GSTARCAD/2017/What's%20new/(What's%20new).md) → [Additional Pages](Help%20System/GSTARCAD/2017/What's%20new/Additional%20Pages/(Additional%20Pages).md) <!-- help-structure:notice --> > **Source status:** This source topic has 4 recorded inherited issue(s). [Source issue details](../../Source%20Issues.md). <!-- /help-structure:notice --> [Toolbars and Menus](../../Source%20Issues.md#issue-c5c0e3b0e06f01ce "菜单、工具栏和工具选项板") The frequently used commands, settings and modes can be visited via the toolbar and the menu. [The Command Window](../../Source%20Issues.md#issue-c6f19ca7478204e4 "命令窗口") The command window is a dockable and resizable window, where you can display commands, system variables, options, messages and prompts. [Design Center](Help%20System/GSTARCAD/2017/What's%20new/Additional%20Pages/DesignCenter.md "设计中心") In the Design Center, you can manage layer definitions, block references, xrefs and other contents like layouts and text styles. [Customize the Drawing Environment](../../Source%20Issues.md#issue-f23c790b1590776d "自定义图形环境") You can customize the many elements of the working environment to fit your needs. [Tool Palettes](../../Source%20Issues.md#issue-81fb326b57346a7c "定点设备") Tool palettes are tabbed areas within the Tool Palettes window and they can be used to organize, share and place blocks. ---