The following example is a complete README for a module Magento_Default:
The Magento_Default module enables you to add the Configurable Product updates to the existing store campaigns.
The Magento_Default module is a part of the staging functionality in Magento EE. The module adds the “Configurations” tab and the configuration wizard to the Schedule Update form of a product. You can change the Configurable Product attributes in campaigns. These updates are shown on the campaign dashboard.
The Magento_Default module makes irreversible changes in a database during installation. You cannot disable or uninstall this module.
For information about a module installation in Magento 2, see Enable or disable modules.
Extension developers can interact with the Magento_Default module. For more information about the Magento extension mechanism, see Magento plug-ins.
The Magento dependency injection mechanism enables you to override the functionality of the Magento_Default module.
The module introduces layout handles in the view/adminhtml/layout directory.
For more information about a layout in Magento 2, see the Layout documentation.
You can extend product and category updates using the UI components located in the view/adminhtml/ui_component directory.
For information about a UI component in Magento 2, see Overview of UI components.
For information about significant changes in patch releases, see Release information.