| Term | Meaning |
|---|---|
| SaaS platform | A hosted ecommerce platform where infrastructure and core software are managed by the provider. |
| Transaction fee | An extra percentage or flat fee charged on sales, often separate from payment-processor fees. |
| Gateway | The payment service that authorizes and routes card or wallet transactions. |
| Migration | The process of moving products, content, customer structure, and store workflows from one platform to another. |
| Extension or app stack | The add-on tools used for subscriptions, shipping, reviews, email, search, analytics, and other store features. |
| Total cost of ownership | The combined cost of software, setup, support, integrations, maintenance, and operational overhead. |
Use the glossary with the comparison and pricing pages when the same platform looks inexpensive on one screen and operationally expensive on another.