ODOO BEHAVIOR

Odoo proposes a hardcoded description on sales order line which is Product ref / Product name and without any flexibility to define priorities.
For instance, if you give supplier reference on the supplier pricelist, description on purchase order lines only show the Supplier ref and no more your product reference. 

CLUEDOO BEHAVIOR

MODULE +

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CLUEDOO RECOMMENDATIONS

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1

On Product Categories, we can input python code to enable product description on sale order line / purchase order line.
We can put the value from object: sale order line (sale.order.line), product template (product.template), product variant (product.product)

2

For example, we want to put internal reference and country (custom field made in studio) on the description on order lines

3

We can write the python code like this:
result = product_template_id.x_studio_country + ' ' + product_template_id.taxes_id.default_code
string ' ' (to add space)
Then when you create a sale order and select the product that is included in the product category Office Furniture, you will have country and internal reference on the description.