# Terminology

**Apparel21 Gift Voucher:** A voucher triggered by Apparel21, featuring a voucher number and a 4-digit PIN. Redeemable both in-store and online ([only if DotApparel Core and Gift Card payments are configured](/core/settings/gift-cards.md#redeeming-vouchers)). This voucher can only redeem dollar ($) amounts, not a percentage (%) off.

**Coupon:** The term that loyalty platforms (Yotpo and Clearer.io) typically use to refer to a discount. Here at DotApparel, we use the term "Voucher" to denote the same concept.

**Shopify discount code:** You can create codes for a dollar value discount, a percentage discount, a buy X get Y discount, or a free shipping discount. Customers can enter discount codes online during checkout. Existing discounts can be updated and managed from the Discounts page in Shopify. Please note that these codes are not redeemable in-store via Apparel21 POS.

**Custom Reward (Yotpo only):** A specific Yotpo rule type that deducts points and records the redemption without issuing a Shopify discount code. We use Custom Reward for any in-store redemption initiated by staff, so the same points spent can't also be claimed online via a discount code. Clearer.io's equivalent is configured at onboarding by the DotApparel team.


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