The Order Delivery Method and Delivery Method objects are used to configure delivery methods for orders. A delivery method is a way of delivering an order to a customer, such as standard shipping, express shipping, or in-store pickup. A Delivery Method record defines the name, description, type, and cost of a delivery method. An Order Delivery Method record associates an order with a delivery method and stores additional information such as the delivery address, tracking number, and status. Reference: Order Management Objects, [Delivery Methods]

The recommended approach for deploying certain pages in Order Management to approved mobile devices is to install the Salesforce mobile app from Apple Store or Google Play and save the pages with the options of both Desktop and Phone applied. The Salesforce mobile app is designed for easy data access on the go. You can view Order Management record pages on the mobile app, but you can'taccess its console features, like screen flows. To make a page available on the mobile app, you need to save it with the options of both Desktop and Phone applied in the Lightning App Builder. Reference: Salesforce Order Management, Mobile App Theme FAQ