On this page, you can also determine how invoice numbers are generated with
Print invoices and delivery notes via the side panel on the “Order Edit” page
This adds a "Print receipt" link to the WooCommerce "Order Received" page (the receipt page). It also adds the link to the "V.
When you add a custom field in checkout page it gets created as Order Field ...
It redirects you to a simple Thank You page (or “Order received” page how is it called sometimes).
setting order status for which invoices have to be printed, adding payment and ...
Adding content to the WooCommerce Checkout page is very easy.
Customers can view selected add-ons from order detail pages and emails; Admins can sort and filter the WooCommerce > Orders page based on ...
The same goes for the Cart and Account page. Important: If you don't want to message to appear on the Order Received page, see To add a PHP ...
but most online restaurant ordering systems would have 1 category for each food, just like a printed menu.