Long descriptions can make a product page appear unbalanced, leaving white space below the product images. Rather than keeping the entire product description within one column, use this guide to reposition your product description and display it in full-width.
Note: To move only a part of the product description, you can check out this guide: How to move part of the product description under the product media gallery
Adding the Custom liquid section to your product template
Go to your Default product in the theme customizer
In the Default product template, hide the Description block by hovering and clicking on the eye icon:
Click on Add section and choose Custom liquid:
In the Custom liquid section, copy and paste the following variable:
{{ product.description }}
Drag the Custom liquid section where you would like the product description to be displayed on - typically below the Add block option of the Product information section.
Save the changes.