By default, the LiveCycle Designer ES workspace consists of an area called the Layout Editor where you create and lay out your form design, a Script Editor where you can write scripts to extend the capabilities of the form design, palettes to help you modify your form design, and menus and commands for performing tasks.
As you become comfortable working with form designs, you can customize the workspace to suit your requirements. Here is how LiveCycle Designer ES appears in LiveCycle Workbench ES.
Livecycle designer workspaces.4.2.1 About editors and palettes
See also 

About editors and palettes