A product recommendation is a recommendation that is calculated by an intelligent system, e.g. Guided Selling tools like Product Guides, or provided by a human sales representative. A product recommendation assesses the suitability of given products to the buyer's needs.
The following are not product recommendations: Result list of a free text search, result list of a category-navigation. Both do not have an analysis of the user's buying needs or evaluation of the product´s suitability.