The Cart page shows a summary of the items and quantities added to their cart, and a total of how much it will cost them. In Editions, customers can also add order notes for the merchant on this page.
Accessing theme editor settings for the cart
To access the settings for the cart page, go to Customize > Select the cart icon > In the left-side settings, open the Cart page section. It is worth adding a few items to the cart before making changes to the settings here, as some of the features depend on added items for their display.
Add a lock icon to your checkout button
Give your customers an increased sense of security by enabling Show lock icon on checkout button.
Show order notes
Provide a message field for customers to include more information about their order by activating Enable order notes.
Show 'continue shopping' button
Enabling this setting includes a button on the cart page to encourage the customers to continue shopping. This button will lead back to a collection displaying all products.