Enterprise modifiers are more structured than restaurant modifiers. Learning the vocabulary saves a lot of confusion at a customer site.
The set of modifier options attached to a product.
A saved combination of modifiers that can be applied to an item in one action.
Variant builds handle products assembled from main variants and associated variant types, with individual mixes and custom mixes, and quantity adjustment on both the main variants and the associated types. This is what powers pizza style build screens.
Product Modifiers, Combo Meals and Variant Builds.
Source: Global Payments / Xenial Enterprise POS product documentation. Enterprise sites are heavily configured, so confirm the exact behaviour against the customer own build before advising a change.