Entity form display and Entity view display control which fields are shown in entity creation form and entity display page. Drupal provides complete control of fields and widgets through the user interface. We can also set these settings programmatically by loading correct configuration.
$settings = \Drupal::entityTypeManager()
So when we run this snippet body field is removed from form display while creating a product of product type default. Feel free to experiment by setting other available configurations in configuration file of type entity view display and entity form display.