Assets > Node Publishing

Publish as Root Transform: Determines the node that is the root transform of the container for container centric selection and acts as a possible parent or child anchor. For more information, see Container centric selection.
Publish Parent Anchor: Sets a node to retain its plug information. This allows you to perform hierarchical or name changes to the node without breaking its relationship to future child nodes. For more information, see Publish a parent or child anchor.
Publish Child Anchor: Sets a node to retain its plug information. This allows you to perform hierarchical or name changes to the node without breaking its relationship to future parent nodes. For more information, see Publish a parent or child anchor.