Context: How does an order saving work?
Details: How does \Magento\Sales\Model\ResourceModel\EntityAbstract::_afterSave()
work?
Details: How does \Magento\Framework\Model\ResourceModel\Db\VersionControl\Snapshot::registerSnapshot()
work?
How does \Magento\Framework\Model\AbstractModel::afterSave()
work?
Details: How does \Magento\Sales\Model\ResourceModel\Order\Relation::processRelation()
work?