Retailers refer to retail websites in which the products are sold. For example, Zalora is a retailer for the retail website zalora.sg.
From the dashboard, you can narrow your research by selecting the Retailer filter on your Main Filter on the left side the dashboard.
The Retailer filter is most commonly used when analysing or comparing the performance of a website. By selecting a retailer, you can limit the data to show only data related to the retailer of your choice.
Read How do I identify the best performing price range for a brand/retailer? to learn more about the Retailer filter.