How to add product description

To open a product or create a new product, go to admin, select Catalog and then Products
Click on the product name to open a product card, you want to add a description.

2. In the opened product card, enter the product information.

First, enter the primary mandatory product data and click Save!
Once this data is filled in, after saving, you can proceed to adding the description.

3. Adding a product description

After saving the page, select Description from the menu above.
A tab will open where you can add a long description and short description to the product, which will be displayed on the product page.
In most designs, the short description appears to the right of the product image in the store view, and the long description appears below the product image.
You can configure the display and non-display of descriptions in the admin:

Settings > Settings > Product Page