If you want to move the product description under the product image, you can follow steps below.
Solution
Step 1
Go to Online Store > Themes > Customize Theme > Product Page
Step 2
In the Product Information, hide the description block
Step 3
Add the section Custom Liquid under the Product Information
And insert the following code to the section Custom Liquid
<div class="page-width">
{{ product.description }}
</div>
