Nex Validator Glossary of Terms

Glossary

Definitions for the words this app and Shopify use, including the several places where the same idea has two names.

Term	Means
Allow bulk limit	The global switch for storefront enforcement of the product metafield. Not just about bulk pricing — see enforcement
App embed	The theme setting that lets the app run on your storefront. Required for quantity locking and cart-page messages
Cart limit	A limit on the whole cart — total quantity or total value — rather than on one product
Checkout validation	Shopify’s server-side check that runs before payment. What blocks a cart
Collection limit	A limit counted across every item from a Shopify collection
Metafield	Extra data stored on a product. Drives bulk limits and storefront quantity locking
MOQ	Minimum order quantity — the smallest order you will accept
`multiple_of`	A metafield type making quantities step in your case size: 6, 12, 18
Rule	What you build in the app. Shopify counts each active one against its 25-validation cap
Shopify Function	Code running on Shopify’s servers rather than in the browser. Why limits cannot be bypassed
Simple Order Limit	The main rule builder — a limit type and a value
Advanced Rules	The Premium builder, adding conditions for when a limit applies
Storefront layer	Quantity locking on product and cart pages. Browser-side, so convenience not protection
Validation function	Shopify’s name for what the app installs when you enable a rule

Words that mean the same thing

The app, Shopify and these docs do not always agree on vocabulary:

You may see	Also called
Rule	Validation, validation function, order limit
Enabled	Active
Cart amount	Cart value, order amount, order total
App embed	Theme app extension, theme embed

Is a "rule" the same as a "validation"?

In practice yes. You build a rule; Shopify sees it as an active validation function, which is what the 25-per-store cap counts.

What is MOQ?

Minimum order quantity — a wholesale term for the smallest order a supplier will accept.