This is the window of Designer when a prototype is being created.

The main program areas are.
Menu bar: The menu bar gives you access to the program commands.Toolbar: The toolbar lets you access the most frequently used commands.
Composer: The composer is the working area in the center of Designer. It displays a tab with the name of the active form, the composer toolbar and the form where you place the different user interface controls such as button, label, text field, combo box and much more.
- Structure: Displays a tree-like structure of all the items of a prototype.
- Palette: Displays within elevator panes the 'tool box' of various items that can be used to create a prototype.
- Properties: Displays the properties and note of a selected item in the structure or on the composer.
- Clipboard: Displays the history of pasted items to the clipboard for reuse.
- Templates: Displays existing local and shared templates of components and prototypes and lets you add and share new ones.
- Documentation: Lets you enter and manage documentation on each item of the prototype.
- Notes: Displays a table of all the notes.
- Contacts: Manages contacts for collaboration.
- Deployment: Manages the deployment of prototypes.
- Feedbacks: Lets you enter and manage feedback on each item of the prototype.
- Console: Displays output of scripts.