New posts in Order Status

Order Status History Complete no longer created, but was in M1 site

How to get last order status history comment and order status Magento 2

programatically cancel the order using order id - Magento 2

Magento Order Number Issue

Orders do not show up in customers account until processing state

How do you create a new order state for an order status to be assigned to?

What are the definitions of the order statuses? OR: Where should I integrate my order state?