Which Product Types Implement A Parent-Child Relationship Between Product Entities?

Q. Which product types implement a parent-child relationship between product entities? – configurable product type – configurable(parent) – simple(child)may be grouped and bundle as well. ———–prepareForCartAdvanced() – initialize product for add to cart process..calls to prepareProduct() – process product and prepare optionscalls to prepareOptions() – Process custom defined options for product