SELECT product_category_description ,  unit_of_measure FROM ref_product_categories WHERE product_category_code  =  "Herbs"
SELECT product_category_description ,  unit_of_measure FROM ref_product_categories WHERE product_category_code  =  "Herbs" <table_name> : Ref_Product_Categories col : product_category_code | product_category_description | unit_of_measure row 1 : Herbs | Herbs | Handful              row 2 : Seeds | Seeds | Weight - pound,kilo. row 3 : Spices | Spices | Weight - pound,kilo.
col : product_category_description | unit_of_measure row 1 : Herbs | Handful