Sitecore XC 9.2 - Merchandising products and how they are mapped with CatalogItemsScope Solr Index.

Sitecore XC manages all Merchandising product data in Solr CatalogItemsScope Index.

Here are the details.

Solr Index -

If you see all the fields in Solr Index like variantid,variantdisplayname,displayname, name are coming from the CatalogItemsScope  Index.