This section provides extra info such as product description, shipping compliance, etc.
Go to Customize > Choose Default product> Products
* Product description
It will display the description that merchants have already created in the Shopify product admin.
Merchants add new content other than the product’s description such as shipping & return policy.
* Additional information
Merchants add new content other than the product’s description such as Weight and Dimensions. This section can also get content form other page
* Product reviews
This section requires a product reviews app to work such as Shopify product reviews.