Nabeyond ltd t/a CartDNA is a CartDNA is a Shopify Payment App Development Partner
Understand key payment, checkout, fraud, and ecommerce terms in simple words so you can make better growth decisions for your Shopify store.
Clear definitions. Practical examples. Better decisions.
Payment language can slow decisions when teams, agencies, and merchants use different terms for the same problem. This glossary gives you fast, simple explanations of the terms that matter most in checkout, conversion, fraud, payment performance, reporting, and customer experience.
Whether you want to understand chargebacks, payment gateways, authorisation, A/B testing, or local payment methods, this page helps you learn faster and act with more confidence.
The percentage of payment attempts approved by the issuer or payment network. A low authorisation rate can reduce revenue even if traffic and checkout design look healthy. Improving payment routing and method coverage can help.
A method of testing two or more checkout changes to see which version performs better. Merchants use A/B testing to improve conversion, reduce friction, and validate changes with real customer behaviour.
A rejected card payment. Declines happen for many reasons, including insufficient funds, issuer risk rules, expired cards, or data mismatches. Tracking decline trends helps merchants protect revenue.
A payment dispute raised by the cardholder through their bank. Chargebacks can increase costs, damage payment performance, and create operational work. Strong fraud controls and clear post-purchase communication help reduce them.
The percentage of shoppers who complete checkout after starting it. This is one of the clearest signals of checkout performance. Payment friction, trust, speed, and method availability can all affect it.
A payment method that stores card or bank details for fast checkout. Wallets can reduce typing, improve mobile conversion, and support stronger customer trust at checkout.
A legitimate transaction that gets rejected by fraud or issuer controls. False declines are costly because they block real customers and reduce sales without improving customer experience.
A data point that helps identify suspicious payment activity. Examples include unusual device behaviour, location mismatch, high order value, or repeated failed attempts.
A payment gateway securely sends transaction data between the checkout, payment processor, and banks. It plays a key role in payment acceptance, speed, security, and reliability.
A payment method widely used in a specific country or region. Examples include bank transfer systems, buy now pay later products, wallets, and domestic debit methods. Local coverage can lift conversion in new markets.
The share of attempted payments that do not complete successfully. A rising failure rate can point to technical issues, fraud filters, issuer declines, poor method fit, or checkout friction.
A company or system that handles transaction processing between the shopper, merchant, card networks, and banks. Processor performance can affect approval rates, speed, reliability, and reporting depth.
A set of actions designed to recover failed or abandoned checkouts. This can include smart retry logic, payment method prompts, clearer error messages, or targeted customer follow-up.
The process of improving the checkout journey to reduce friction and lift completed orders. This often includes payment method strategy, page speed, UX improvements, mobile usability, and testing.
Ongoing tracking of payment activity, failures, fraud patterns, payout data, and operational anomalies. Monitoring helps merchants spot issues early and respond before revenue loss grows.
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Practical advice for improving checkout performance, lowering payment risk, and growing revenue.
Research-led content to help you understand payments, trends, and merchant performance opportunities.
Explore local payment behaviour, regional preferences, and market-specific ecommerce considerations.
See how CartDNA supports merchants with checkout improvement, reporting, performance monitoring, and optimisation.
CartDNA helps Shopify merchants monitor payment performance, improve checkout conversion, track issues faster, and uncover growth opportunities across payments and customer journeys.
Read the guides, explore the glossary, and see how CartDNA can help you turn reporting into action.
Payment terms are not just technical words. They shape the way merchants understand revenue loss, checkout performance, fraud exposure, customer trust, and international growth. A strong glossary page helps users learn, helps search engines understand topical depth, and supports internal linking. This page should grow over time. Add new terms based on customer questions, search demand, payment trends, and country-specific behaviour. That gives you a scalable SEO asset that supports both discovery and conversion.
