The Insider Product Catalog Database is a central module that serves as a prerequisite for several key features, including Eureka, Smart Recommender, and Price Drop/Back-in-Stock Ability within the Architect. It stores product data based on a specific schema composed of product attributes.
Insider allows you to define or customize this schema to align with your existing data and business objectives. Two product attributes are available for configuring your product catalog: default and custom product attributes.
To have a better understanding of product attributes, these articles help you: