In this module you can review and use a lot of pre-made dialogs. See it as templates or building blocks, to continue working on. There are dialogs available in different languages, channels and themes, which you can also filter on. You will find Smart Aigent dialogs to use, as well as regular dialogs.
You can see a preview of the dialog flow, intents/entities and rules by clicking on it. Click on Use dialog to add the chosen dialog to your chatbot. After this, your chatbot will be visible under Build > Dialogs.
Read more on creating your own dialogs in this article: Creating dialogs.