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This is another name for your product metadata. The information here is what your customers will use to filter by when viewing a page full of products. This data may also show in the Product Compare window, and in a product's Technical Specifications.
Product features and their associated values are either A) integrated from your PRONTO Metadata module, or B) configured via the CMS in Products & Categories → Product Features.
If you're unsure which mode your site is using, feel free to check with us.
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