Question: What's the purpose of products groups in a Shopping campaign?
- Product groups are used to specify which products from your feed you want to advertise in each campaign.
- Product groups are predefined themes that you can select in each of your campaigns.
- Product groups are keywords that are defined by categories you can select in each of your campaigns.
- Product groups are remarketing lists that you want to advertise in each of your campaigns.
Explanation
Product groups are used in Shopping campaigns to organize inventory from the linked Merchant Center feed. They let advertisers subdivide products by attributes such as category, brand, item ID, condition, or custom labels. This structure helps control bidding and reporting for specific sets of products. Product groups do not create targeting keywords; they define which feed items are included for campaign management.
Why the other options are incorrect
Keywords is incorrect because Shopping campaigns rely on product data, not keyword targeting.
Predefined themes is incorrect because product groups are built from feed attributes, not fixed campaign themes.
Remarketing lists is incorrect because remarketing lists define audiences, not product inventory groupings.
Source for verification
https://support.google.com/google-ads/answer/6275317
https://support.google.com/google-ads/answer/2454022
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