They are displayed in the different rows. The “Upsells” product you can define manually via the settings of the product, more detail in the below article:
Thnak you very much.
Directed sales can be modified manually but related products is there a way to modify them or is it automatic? How are they governed to make the choice, in the category?
Related products in WooCommerce are products that are recommended to the customers in addition to the product that they are currently viewing. Usually, these products are from the same category or subcategories of the currently viewed product.