To what should you assign the related promotion for a "on sale" banner?

Assigning the related promotion to "Related Promotion" is the most logical solution for representing deals or discounts in a clear and targeted manner. This option serves the purpose of highlighting promotions that are directly associated with specific products or groups of products, making it easier for customers to find sales items or limited-time offers during their shopping experience.

Using related promotions allows for effective marketing by drawing attention to sales in a cohesive way, ensuring that any promotional messaging is directly connected to the products being sold. This can be particularly effective in attracting customers to take advantage of discounted items, ultimately driving conversions and enhancing the shopping experience.

The other options do not serve the same purpose. "Product Feature" would typically describe characteristics or specifications of individual products, while "Product Review" focuses on customer feedback about products. "Category Listing" groups products by type but does not convey specific promotional content. Therefore, relating promotions specifically to "Related Promotion" effectively communicates the availability of deals, streamlining the promotional strategy for a better customer engagement.