UC uses communication cloud but their legacy system has a large products module on a...

To rationalize a large product catalog from a SKU-based system, consultants should consider configuring Fields (A) to capture essential product information, Attributes (D) to define product characteristics, and Pricing Plans (E) to manage pricing strategies. These configurations support the creation of a more streamlined and manageable product catalog within Salesforce Communication Cloud by allowing for the consolidation of similar products and the flexible definition of product offerings.References:Salesforce Communication Cloud documentation on Enterprise Product Catalog (EPC) management.