Merchants have the flexibility to incorporate any section listed in the Theme sections onto the cart page. However, there is also a dedicated section specifically designed for the cart page.
Steps
In the theme editor (Customize), open the template selector
Select Cart
On the left-side bar, select Cart template.
Make necessary changes > Save.
Display cart note: Let users include any additional notes for the store to review before shipping.
Display discount code: Offer any special promotion coupons.
Display estimated shipping rates: Allow users to input their address to calculate the shipping fee.