Relevant to Amplify instances using 21.6 or higher.
Amplify's Quick Create menu places the most important create actions in one place, available on every page.
The options in the menu are relative to your position in the program/project as well as your permissions.
Selecting an option will open up a sidesheet that will allow you to configure the new item before finalising its creation.
Create multiple items from different categories without leaving the page you're on or navigate directly to your new item. The Quick Create menu opens up the possibilities for different workflows and different user requirements.