Payment Glossary: 70+ Payment Terms and Definitions for 2026

Understand the language behind payments, approvals, and smart retries.

Learn our 70+ terms

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C

CVV
CVV is the card security code used in online payments to help issuers verify card possession. For merchants, capturing it correctly can reduce false declines, block fraud, and support stronger authorization outcomes.
CVV
CVC, CID, card security code

T

Ticket Size
Ticket size is the value of a single payment transaction. Payment teams use it to tune fraud rules, manage fees, and decide how to handle declines across low- and high-value payments.
Ticket Size
transaction amount, order total, average ticket size