Create Simple Products in Magento 2 type is integral and as the name says, the most basic product type of Magento 2 stores. It has defined attributes that customers can’t change.
The admin can use this product type independently or with other product types such as grouped, configurable, or bundle product types.
For more information visit: https://meetanshi.com/blog/create-simple-product-in-magento-2/
