In DatoCMS you can organize the different models and blocks present in your administrative area reordering and grouping them, so that their purpose will be more clear to the final editor.
"schema_menu_item"
JSON API type field
The label of the schema menu item (only present when the schema menu item is not linked to an item type)
Ordering index
Indicates if the schema menu item refers to an item type or a modular block
Item type associated with the schema menu item
Parent schema menu item
Underlying schema menu items